21716874

素因数分解:

$2^1\times 3^2\times {\mathrm{349}}^1\times {\mathrm{3457}}^1$

素因数の和:3814

約数の個数: 24

約数和(自身を含む): 47201700

約数和(自身を除く): 25484826

約数列:

[1, 2, 3, 6, 9, 18, 349, 698, 1047, 2094, 3141, 3457, 6282, 6914, 10371, 20742, 31113, 62226, 1206493, 2412986, 3619479, 7238958, 10858437, 21716874]

約数ペア:

[(1, 21716874), (2, 10858437), (3, 7238958), (6, 3619479), (9, 2412986), (18, 1206493), (349, 62226), (698, 31113), (1047, 20742), (2094, 10371), (3141, 6914), (3457, 6282)]