21765072

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 64773632

約数和(自身を除く): 43008560

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 211, 307, 336, 422, 614, 633, 844, 921, 1228, 1266, 1477, 1688, 1842, 2149, 2456, 2532, 2954, 3376, 3684, 4298, 4431, 4912, 5064, 5908, 6447, 7368, 8596, 8862, 10128, 11816, 12894, 14736, 17192, 17724, 23632, 25788, 34384, 35448, 51576, 64777, 70896, 103152, 129554, 194331, 259108, 388662, 453439, 518216, 777324, 906878, 1036432, 1360317, 1554648, 1813756, 2720634, 3109296, 3627512, 5441268, 7255024, 10882536, 21765072]

約数ペア:

[(1, 21765072), (2, 10882536), (3, 7255024), (4, 5441268), (6, 3627512), (7, 3109296), (8, 2720634), (12, 1813756), (14, 1554648), (16, 1360317), (21, 1036432), (24, 906878), (28, 777324), (42, 518216), (48, 453439), (56, 388662), (84, 259108), (112, 194331), (168, 129554), (211, 103152), (307, 70896), (336, 64777), (422, 51576), (614, 35448), (633, 34384), (844, 25788), (921, 23632), (1228, 17724), (1266, 17192), (1477, 14736), (1688, 12894), (1842, 11816), (2149, 10128), (2456, 8862), (2532, 8596), (2954, 7368), (3376, 6447), (3684, 5908), (4298, 5064), (4431, 4912)]