21000317752

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{14621}}^1$

素因数の和:14848

約数の個数: 64

約数和(自身を含む): 42006081600

約数和(自身を除く): 21005763848

約数列:

[1, 2, 4, 8, 29, 41, 58, 82, 116, 151, 164, 232, 302, 328, 604, 1189, 1208, 2378, 4379, 4756, 6191, 8758, 9512, 12382, 14621, 17516, 24764, 29242, 35032, 49528, 58484, 116968, 179539, 359078, 424009, 599461, 718156, 848018, 1198922, 1436312, 1696036, 2207771, 2397844, 3392072, 4415542, 4795688, 8831084, 17384369, 17662168, 34768738, 64025359, 69537476, 90518611, 128050718, 139074952, 181037222, 256101436, 362074444, 512202872, 724148888, 2625039719, 5250079438, 10500158876, 21000317752]

約数ペア:

[(1, 21000317752), (2, 10500158876), (4, 5250079438), (8, 2625039719), (29, 724148888), (41, 512202872), (58, 362074444), (82, 256101436), (116, 181037222), (151, 139074952), (164, 128050718), (232, 90518611), (302, 69537476), (328, 64025359), (604, 34768738), (1189, 17662168), (1208, 17384369), (2378, 8831084), (4379, 4795688), (4756, 4415542), (6191, 3392072), (8758, 2397844), (9512, 2207771), (12382, 1696036), (14621, 1436312), (17516, 1198922), (24764, 848018), (29242, 718156), (35032, 599461), (49528, 424009), (58484, 359078), (116968, 179539)]