21137424

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:98

約数の個数: 240

約数和(自身を含む): 74638080

約数和(自身を除く): 53500656

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 19, 21, 22, 24, 28, 33, 38, 42, 43, 44, 48, 49, 56, 57, 66, 76, 77, 84, 86, 88, 98, 112, 114, 129, 132, 133, 147, 152, 154, 168, 172, 176, 196, 209, 228, 231, 258, 264, 266, 294, 301, 304, 308, 336, 344, 392, 399, 418, 456, 462, 473, 516, 528, 532, 539, 588, 602, 616, 627, 688, 784, 798, 817, 836, 903, 912, 924, 931, 946, 1032, 1064, 1078, 1176, 1204, 1232, 1254, 1419, 1463, 1596, 1617, 1634, 1672, 1806, 1848, 1862, 1892, 2064, 2107, 2128, 2156, 2352, 2408, 2451, 2508, 2793, 2838, 2926, 3192, 3234, 3268, 3311, 3344, 3612, 3696, 3724, 3784, 4214, 4312, 4389, 4816, 4902, 5016, 5586, 5676, 5719, 5852, 6321, 6384, 6468, 6536, 6622, 7224, 7448, 7568, 8428, 8624, 8778, 8987, 9804, 9933, 10032, 10241, 11172, 11352, 11438, 11704, 12642, 12936, 13072, 13244, 14448, 14896, 16856, 17157, 17556, 17974, 19608, 19866, 20482, 22344, 22704, 22876, 23177, 23408, 25284, 25872, 26488, 26961, 30723, 33712, 34314, 35112, 35948, 39216, 39732, 40033, 40964, 44688, 45752, 46354, 50568, 52976, 53922, 61446, 62909, 68628, 69531, 70224, 71896, 79464, 80066, 81928, 91504, 92708, 101136, 107844, 120099, 122892, 125818, 137256, 139062, 143792, 158928, 160132, 163856, 185416, 188727, 215688, 240198, 245784, 251636, 274512, 278124, 320264, 370832, 377454, 431376, 440363, 480396, 491568, 503272, 556248, 640528, 754908, 880726, 960792, 1006544, 1112496, 1321089, 1509816, 1761452, 1921584, 2642178, 3019632, 3522904, 5284356, 7045808, 10568712, 21137424]

約数ペア:

[(1, 21137424), (2, 10568712), (3, 7045808), (4, 5284356), (6, 3522904), (7, 3019632), (8, 2642178), (11, 1921584), (12, 1761452), (14, 1509816), (16, 1321089), (19, 1112496), (21, 1006544), (22, 960792), (24, 880726), (28, 754908), (33, 640528), (38, 556248), (42, 503272), (43, 491568), (44, 480396), (48, 440363), (49, 431376), (56, 377454), (57, 370832), (66, 320264), (76, 278124), (77, 274512), (84, 251636), (86, 245784), (88, 240198), (98, 215688), (112, 188727), (114, 185416), (129, 163856), (132, 160132), (133, 158928), (147, 143792), (152, 139062), (154, 137256), (168, 125818), (172, 122892), (176, 120099), (196, 107844), (209, 101136), (228, 92708), (231, 91504), (258, 81928), (264, 80066), (266, 79464), (294, 71896), (301, 70224), (304, 69531), (308, 68628), (336, 62909), (344, 61446), (392, 53922), (399, 52976), (418, 50568), (456, 46354), (462, 45752), (473, 44688), (516, 40964), (528, 40033), (532, 39732), (539, 39216), (588, 35948), (602, 35112), (616, 34314), (627, 33712), (688, 30723), (784, 26961), (798, 26488), (817, 25872), (836, 25284), (903, 23408), (912, 23177), (924, 22876), (931, 22704), (946, 22344), (1032, 20482), (1064, 19866), (1078, 19608), (1176, 17974), (1204, 17556), (1232, 17157), (1254, 16856), (1419, 14896), (1463, 14448), (1596, 13244), (1617, 13072), (1634, 12936), (1672, 12642), (1806, 11704), (1848, 11438), (1862, 11352), (1892, 11172), (2064, 10241), (2107, 10032), (2128, 9933), (2156, 9804), (2352, 8987), (2408, 8778), (2451, 8624), (2508, 8428), (2793, 7568), (2838, 7448), (2926, 7224), (3192, 6622), (3234, 6536), (3268, 6468), (3311, 6384), (3344, 6321), (3612, 5852), (3696, 5719), (3724, 5676), (3784, 5586), (4214, 5016), (4312, 4902), (4389, 4816)]