21790104

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{2647}}^1$

素因数の和:2677

約数の個数: 64

約数和(自身を含む): 63552000

約数和(自身を除く): 41761896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2647, 2744, 4116, 5294, 7941, 8232, 10588, 15882, 18529, 21176, 31764, 37058, 55587, 63528, 74116, 111174, 129703, 148232, 222348, 259406, 389109, 444696, 518812, 778218, 907921, 1037624, 1556436, 1815842, 2723763, 3112872, 3631684, 5447526, 7263368, 10895052, 21790104]

約数ペア:

[(1, 21790104), (2, 10895052), (3, 7263368), (4, 5447526), (6, 3631684), (7, 3112872), (8, 2723763), (12, 1815842), (14, 1556436), (21, 1037624), (24, 907921), (28, 778218), (42, 518812), (49, 444696), (56, 389109), (84, 259406), (98, 222348), (147, 148232), (168, 129703), (196, 111174), (294, 74116), (343, 63528), (392, 55587), (588, 37058), (686, 31764), (1029, 21176), (1176, 18529), (1372, 15882), (2058, 10588), (2647, 8232), (2744, 7941), (4116, 5294)]