21930986

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8377}}^1$

素因数の和:8414

約数の個数: 32

約数和(自身を含む): 43431552

約数和(自身を除く): 21500566

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 8377, 16754, 58639, 92147, 117278, 142409, 184294, 284818, 645029, 996863, 1290058, 1566499, 1993726, 3132998, 10965493, 21930986]

約数ペア:

[(1, 21930986), (2, 10965493), (7, 3132998), (11, 1993726), (14, 1566499), (17, 1290058), (22, 996863), (34, 645029), (77, 284818), (119, 184294), (154, 142409), (187, 117278), (238, 92147), (374, 58639), (1309, 16754), (2618, 8377)]