21967480

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3637}}^1$

素因数の和:3799

約数の個数: 32

約数和(自身を含む): 49767840

約数和(自身を除く): 27800360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 3637, 6040, 7274, 14548, 18185, 29096, 36370, 72740, 145480, 549187, 1098374, 2196748, 2745935, 4393496, 5491870, 10983740, 21967480]

約数ペア:

[(1, 21967480), (2, 10983740), (4, 5491870), (5, 4393496), (8, 2745935), (10, 2196748), (20, 1098374), (40, 549187), (151, 145480), (302, 72740), (604, 36370), (755, 29096), (1208, 18185), (1510, 14548), (3020, 7274), (3637, 6040)]