21818810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3571}}^1$

素因数の和:3638

約数の個数: 32

約数和(自身を含む): 43206912

約数和(自身を除く): 21388102

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 3571, 6110, 7142, 17855, 35710, 46423, 92846, 167837, 232115, 335674, 464230, 839185, 1678370, 2181881, 4363762, 10909405, 21818810]

約数ペア:

[(1, 21818810), (2, 10909405), (5, 4363762), (10, 2181881), (13, 1678370), (26, 839185), (47, 464230), (65, 335674), (94, 232115), (130, 167837), (235, 92846), (470, 46423), (611, 35710), (1222, 17855), (3055, 7142), (3571, 6110)]