21728078

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{739}}^1$

素因数の和:1043

約数の個数: 16

約数和(自身を含む): 33308880

約数和(自身を除く): 11580802

約数列:

[1, 2, 61, 122, 241, 482, 739, 1478, 14701, 29402, 45079, 90158, 178099, 356198, 10864039, 21728078]

約数ペア:

[(1, 21728078), (2, 10864039), (61, 356198), (122, 178099), (241, 90158), (482, 45079), (739, 29402), (1478, 14701)]