21230304

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 58988160

約数和(自身を除く): 37757856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 43, 48, 74, 86, 96, 111, 129, 139, 148, 172, 222, 258, 278, 296, 344, 417, 444, 516, 556, 592, 688, 834, 888, 1032, 1112, 1184, 1376, 1591, 1668, 1776, 2064, 2224, 3182, 3336, 3552, 4128, 4448, 4773, 5143, 5977, 6364, 6672, 9546, 10286, 11954, 12728, 13344, 15429, 17931, 19092, 20572, 23908, 25456, 30858, 35862, 38184, 41144, 47816, 50912, 61716, 71724, 76368, 82288, 95632, 123432, 143448, 152736, 164576, 191264, 221149, 246864, 286896, 442298, 493728, 573792, 663447, 884596, 1326894, 1769192, 2653788, 3538384, 5307576, 7076768, 10615152, 21230304]

約数ペア:

[(1, 21230304), (2, 10615152), (3, 7076768), (4, 5307576), (6, 3538384), (8, 2653788), (12, 1769192), (16, 1326894), (24, 884596), (32, 663447), (37, 573792), (43, 493728), (48, 442298), (74, 286896), (86, 246864), (96, 221149), (111, 191264), (129, 164576), (139, 152736), (148, 143448), (172, 123432), (222, 95632), (258, 82288), (278, 76368), (296, 71724), (344, 61716), (417, 50912), (444, 47816), (516, 41144), (556, 38184), (592, 35862), (688, 30858), (834, 25456), (888, 23908), (1032, 20572), (1112, 19092), (1184, 17931), (1376, 15429), (1591, 13344), (1668, 12728), (1776, 11954), (2064, 10286), (2224, 9546), (3182, 6672), (3336, 6364), (3552, 5977), (4128, 5143), (4448, 4773)]