21108722

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{2617}}^1$

素因数の和:2765

約数の個数: 16

約数和(自身を含む): 32829720

約数和(自身を除く): 11720998

約数列:

[1, 2, 37, 74, 109, 218, 2617, 4033, 5234, 8066, 96829, 193658, 285253, 570506, 10554361, 21108722]

約数ペア:

[(1, 21108722), (2, 10554361), (37, 570506), (74, 285253), (109, 193658), (218, 96829), (2617, 8066), (4033, 5234)]