21000844786

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1\times {\mathrm{276961}}^1$

素因数の和:278217

約数の個数: 16

約数和(自身を含む): 32544142848

約数和(自身を除く): 11543298062

約数列:

[1, 2, 31, 62, 1223, 2446, 37913, 75826, 276961, 553922, 8585791, 17171582, 338723303, 677446606, 10500422393, 21000844786]

約数ペア:

[(1, 21000844786), (2, 10500422393), (31, 677446606), (62, 338723303), (1223, 17171582), (2446, 8585791), (37913, 553922), (75826, 276961)]