21006914

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:757

約数の個数: 16

約数和(自身を含む): 31995000

約数和(自身を除く): 10988086

約数列:

[1, 2, 149, 157, 298, 314, 449, 898, 23393, 46786, 66901, 70493, 133802, 140986, 10503457, 21006914]

約数ペア:

[(1, 21006914), (2, 10503457), (149, 140986), (157, 133802), (298, 70493), (314, 66901), (449, 46786), (898, 23393)]