21350042

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{3803}}^1$

素因数の和:4213

約数の個数: 16

約数和(自身を含む): 36700992

約数和(自身を除く): 15350950

約数列:

[1, 2, 7, 14, 401, 802, 2807, 3803, 5614, 7606, 26621, 53242, 1525003, 3050006, 10675021, 21350042]

約数ペア:

[(1, 21350042), (2, 10675021), (7, 3050006), (14, 1525003), (401, 53242), (802, 26621), (2807, 7606), (3803, 5614)]