21804552

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 320

約数和(自身を含む): 83635200

約数和(自身を除く): 61830648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 19, 21, 22, 23, 24, 27, 28, 33, 36, 38, 42, 44, 46, 54, 56, 57, 63, 66, 69, 72, 76, 77, 81, 84, 88, 92, 99, 108, 114, 126, 132, 133, 138, 152, 154, 161, 162, 168, 171, 184, 189, 198, 207, 209, 216, 228, 231, 252, 253, 264, 266, 276, 297, 308, 322, 324, 342, 378, 396, 399, 414, 418, 437, 456, 462, 483, 504, 506, 513, 532, 552, 567, 594, 616, 621, 627, 644, 648, 684, 693, 756, 759, 792, 798, 828, 836, 874, 891, 924, 966, 1012, 1026, 1064, 1134, 1188, 1197, 1242, 1254, 1288, 1311, 1368, 1386, 1449, 1463, 1512, 1518, 1539, 1596, 1656, 1672, 1748, 1771, 1782, 1848, 1863, 1881, 1932, 2024, 2052, 2079, 2268, 2277, 2376, 2394, 2484, 2508, 2622, 2772, 2898, 2926, 3036, 3059, 3078, 3192, 3496, 3542, 3564, 3591, 3726, 3762, 3864, 3933, 4104, 4158, 4347, 4389, 4536, 4554, 4788, 4807, 4968, 5016, 5244, 5313, 5544, 5643, 5796, 5852, 6072, 6118, 6156, 6237, 6831, 7084, 7128, 7182, 7452, 7524, 7866, 8316, 8694, 8778, 9108, 9177, 9576, 9614, 10488, 10626, 10773, 11286, 11592, 11704, 11799, 12236, 12312, 12474, 13041, 13167, 13662, 14168, 14364, 14421, 14904, 15048, 15732, 15939, 16632, 16929, 17388, 17556, 18216, 18354, 19228, 20493, 21252, 21546, 22572, 23598, 24472, 24948, 26082, 26334, 27324, 27531, 28728, 28842, 31464, 31878, 33649, 33858, 34776, 35112, 35397, 36708, 38456, 39501, 40986, 42504, 43092, 43263, 45144, 47196, 47817, 49896, 52164, 52668, 54648, 55062, 57684, 63756, 67298, 67716, 70794, 73416, 79002, 81972, 82593, 86184, 86526, 94392, 95634, 100947, 104328, 105336, 110124, 115368, 118503, 127512, 129789, 134596, 135432, 141588, 143451, 158004, 163944, 165186, 173052, 191268, 201894, 220248, 237006, 247779, 259578, 269192, 283176, 286902, 302841, 316008, 330372, 346104, 382536, 389367, 403788, 474012, 495558, 519156, 573804, 605682, 660744, 778734, 807576, 908523, 948024, 991116, 1038312, 1147608, 1211364, 1557468, 1817046, 1982232, 2422728, 2725569, 3114936, 3634092, 5451138, 7268184, 10902276, 21804552]

約数ペア:

[(1, 21804552), (2, 10902276), (3, 7268184), (4, 5451138), (6, 3634092), (7, 3114936), (8, 2725569), (9, 2422728), (11, 1982232), (12, 1817046), (14, 1557468), (18, 1211364), (19, 1147608), (21, 1038312), (22, 991116), (23, 948024), (24, 908523), (27, 807576), (28, 778734), (33, 660744), (36, 605682), (38, 573804), (42, 519156), (44, 495558), (46, 474012), (54, 403788), (56, 389367), (57, 382536), (63, 346104), (66, 330372), (69, 316008), (72, 302841), (76, 286902), (77, 283176), (81, 269192), (84, 259578), (88, 247779), (92, 237006), (99, 220248), (108, 201894), (114, 191268), (126, 173052), (132, 165186), (133, 163944), (138, 158004), (152, 143451), (154, 141588), (161, 135432), (162, 134596), (168, 129789), (171, 127512), (184, 118503), (189, 115368), (198, 110124), (207, 105336), (209, 104328), (216, 100947), (228, 95634), (231, 94392), (252, 86526), (253, 86184), (264, 82593), (266, 81972), (276, 79002), (297, 73416), (308, 70794), (322, 67716), (324, 67298), (342, 63756), (378, 57684), (396, 55062), (399, 54648), (414, 52668), (418, 52164), (437, 49896), (456, 47817), (462, 47196), (483, 45144), (504, 43263), (506, 43092), (513, 42504), (532, 40986), (552, 39501), (567, 38456), (594, 36708), (616, 35397), (621, 35112), (627, 34776), (644, 33858), (648, 33649), (684, 31878), (693, 31464), (756, 28842), (759, 28728), (792, 27531), (798, 27324), (828, 26334), (836, 26082), (874, 24948), (891, 24472), (924, 23598), (966, 22572), (1012, 21546), (1026, 21252), (1064, 20493), (1134, 19228), (1188, 18354), (1197, 18216), (1242, 17556), (1254, 17388), (1288, 16929), (1311, 16632), (1368, 15939), (1386, 15732), (1449, 15048), (1463, 14904), (1512, 14421), (1518, 14364), (1539, 14168), (1596, 13662), (1656, 13167), (1672, 13041), (1748, 12474), (1771, 12312), (1782, 12236), (1848, 11799), (1863, 11704), (1881, 11592), (1932, 11286), (2024, 10773), (2052, 10626), (2079, 10488), (2268, 9614), (2277, 9576), (2376, 9177), (2394, 9108), (2484, 8778), (2508, 8694), (2622, 8316), (2772, 7866), (2898, 7524), (2926, 7452), (3036, 7182), (3059, 7128), (3078, 7084), (3192, 6831), (3496, 6237), (3542, 6156), (3564, 6118), (3591, 6072), (3726, 5852), (3762, 5796), (3864, 5643), (3933, 5544), (4104, 5313), (4158, 5244), (4347, 5016), (4389, 4968), (4536, 4807), (4554, 4788)]