21383674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{9241}}^1$

素因数の和:9345

約数の個数: 16

約数和(自身を含む): 34934760

約数和(自身を除く): 13551086

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 9241, 18482, 120133, 240266, 822449, 1644898, 10691837, 21383674]

約数ペア:

[(1, 21383674), (2, 10691837), (13, 1644898), (26, 822449), (89, 240266), (178, 120133), (1157, 18482), (2314, 9241)]