21922010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 48055680

約数和(自身を除く): 26133670

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 34, 38, 55, 85, 95, 110, 170, 187, 190, 209, 323, 374, 418, 617, 646, 935, 1045, 1234, 1615, 1870, 2090, 3085, 3230, 3553, 6170, 6787, 7106, 10489, 11723, 13574, 17765, 20978, 23446, 33935, 35530, 52445, 58615, 67870, 104890, 115379, 117230, 128953, 199291, 230758, 257906, 398582, 576895, 644765, 996455, 1153790, 1289530, 1992910, 2192201, 4384402, 10961005, 21922010]

約数ペア:

[(1, 21922010), (2, 10961005), (5, 4384402), (10, 2192201), (11, 1992910), (17, 1289530), (19, 1153790), (22, 996455), (34, 644765), (38, 576895), (55, 398582), (85, 257906), (95, 230758), (110, 199291), (170, 128953), (187, 117230), (190, 115379), (209, 104890), (323, 67870), (374, 58615), (418, 52445), (617, 35530), (646, 33935), (935, 23446), (1045, 20978), (1234, 17765), (1615, 13574), (1870, 11723), (2090, 10489), (3085, 7106), (3230, 6787), (3553, 6170)]