21762790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16363}}^1$

素因数の和:16396

約数の個数: 32

約数和(自身を含む): 47128320

約数和(自身を除く): 25365530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16363, 32726, 81815, 114541, 163630, 229082, 310897, 572705, 621794, 1145410, 1554485, 2176279, 3108970, 4352558, 10881395, 21762790]

約数ペア:

[(1, 21762790), (2, 10881395), (5, 4352558), (7, 3108970), (10, 2176279), (14, 1554485), (19, 1145410), (35, 621794), (38, 572705), (70, 310897), (95, 229082), (133, 163630), (190, 114541), (266, 81815), (665, 32726), (1330, 16363)]