21173796

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1151}}^1$

素因数の和:1241

約数の個数: 72

約数和(自身を含む): 62060544

約数和(自身を除く): 40886748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1151, 1314, 1533, 2044, 2302, 2628, 3066, 3453, 4599, 4604, 6132, 6906, 8057, 9198, 10359, 13812, 16114, 18396, 20718, 24171, 32228, 41436, 48342, 72513, 84023, 96684, 145026, 168046, 252069, 290052, 336092, 504138, 588161, 756207, 1008276, 1176322, 1512414, 1764483, 2352644, 3024828, 3528966, 5293449, 7057932, 10586898, 21173796]

約数ペア:

[(1, 21173796), (2, 10586898), (3, 7057932), (4, 5293449), (6, 3528966), (7, 3024828), (9, 2352644), (12, 1764483), (14, 1512414), (18, 1176322), (21, 1008276), (28, 756207), (36, 588161), (42, 504138), (63, 336092), (73, 290052), (84, 252069), (126, 168046), (146, 145026), (219, 96684), (252, 84023), (292, 72513), (438, 48342), (511, 41436), (657, 32228), (876, 24171), (1022, 20718), (1151, 18396), (1314, 16114), (1533, 13812), (2044, 10359), (2302, 9198), (2628, 8057), (3066, 6906), (3453, 6132), (4599, 4604)]