21745584

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:94

約数の個数: 240

約数和(自身を含む): 77995008

約数和(自身を除く): 56249424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 34, 36, 42, 47, 48, 51, 54, 56, 63, 68, 72, 81, 84, 94, 102, 108, 112, 119, 126, 136, 141, 144, 153, 162, 168, 188, 189, 204, 216, 238, 243, 252, 272, 282, 306, 324, 329, 336, 357, 376, 378, 408, 423, 432, 459, 476, 486, 504, 564, 567, 612, 648, 658, 714, 752, 756, 799, 816, 846, 918, 952, 972, 987, 1008, 1071, 1128, 1134, 1224, 1269, 1296, 1316, 1377, 1428, 1512, 1598, 1692, 1701, 1836, 1904, 1944, 1974, 2142, 2256, 2268, 2397, 2448, 2538, 2632, 2754, 2856, 2961, 3024, 3196, 3213, 3384, 3402, 3672, 3807, 3888, 3948, 4131, 4284, 4536, 4794, 5076, 5264, 5508, 5593, 5712, 5922, 6392, 6426, 6768, 6804, 7191, 7344, 7614, 7896, 8262, 8568, 8883, 9072, 9588, 9639, 10152, 11016, 11186, 11421, 11844, 12784, 12852, 13608, 14382, 15228, 15792, 16524, 16779, 17136, 17766, 19176, 19278, 20304, 21573, 22032, 22372, 22842, 23688, 25704, 26649, 27216, 28764, 28917, 30456, 33048, 33558, 35532, 38352, 38556, 43146, 44744, 45684, 47376, 50337, 51408, 53298, 57528, 57834, 60912, 64719, 66096, 67116, 71064, 77112, 79947, 86292, 89488, 91368, 100674, 106596, 115056, 115668, 129438, 134232, 142128, 151011, 154224, 159894, 172584, 182736, 194157, 201348, 213192, 231336, 258876, 268464, 302022, 319788, 345168, 388314, 402696, 426384, 453033, 462672, 517752, 604044, 639576, 776628, 805392, 906066, 1035504, 1208088, 1279152, 1359099, 1553256, 1812132, 2416176, 2718198, 3106512, 3624264, 5436396, 7248528, 10872792, 21745584]

約数ペア:

[(1, 21745584), (2, 10872792), (3, 7248528), (4, 5436396), (6, 3624264), (7, 3106512), (8, 2718198), (9, 2416176), (12, 1812132), (14, 1553256), (16, 1359099), (17, 1279152), (18, 1208088), (21, 1035504), (24, 906066), (27, 805392), (28, 776628), (34, 639576), (36, 604044), (42, 517752), (47, 462672), (48, 453033), (51, 426384), (54, 402696), (56, 388314), (63, 345168), (68, 319788), (72, 302022), (81, 268464), (84, 258876), (94, 231336), (102, 213192), (108, 201348), (112, 194157), (119, 182736), (126, 172584), (136, 159894), (141, 154224), (144, 151011), (153, 142128), (162, 134232), (168, 129438), (188, 115668), (189, 115056), (204, 106596), (216, 100674), (238, 91368), (243, 89488), (252, 86292), (272, 79947), (282, 77112), (306, 71064), (324, 67116), (329, 66096), (336, 64719), (357, 60912), (376, 57834), (378, 57528), (408, 53298), (423, 51408), (432, 50337), (459, 47376), (476, 45684), (486, 44744), (504, 43146), (564, 38556), (567, 38352), (612, 35532), (648, 33558), (658, 33048), (714, 30456), (752, 28917), (756, 28764), (799, 27216), (816, 26649), (846, 25704), (918, 23688), (952, 22842), (972, 22372), (987, 22032), (1008, 21573), (1071, 20304), (1128, 19278), (1134, 19176), (1224, 17766), (1269, 17136), (1296, 16779), (1316, 16524), (1377, 15792), (1428, 15228), (1512, 14382), (1598, 13608), (1692, 12852), (1701, 12784), (1836, 11844), (1904, 11421), (1944, 11186), (1974, 11016), (2142, 10152), (2256, 9639), (2268, 9588), (2397, 9072), (2448, 8883), (2538, 8568), (2632, 8262), (2754, 7896), (2856, 7614), (2961, 7344), (3024, 7191), (3196, 6804), (3213, 6768), (3384, 6426), (3402, 6392), (3672, 5922), (3807, 5712), (3888, 5593), (3948, 5508), (4131, 5264), (4284, 5076), (4536, 4794)]