21212294

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1489}}^1$

素因数の和:1927

約数の個数: 16

約数和(自身を含む): 33793200

約数和(自身を除く): 12580906

約数列:

[1, 2, 17, 34, 419, 838, 1489, 2978, 7123, 14246, 25313, 50626, 623891, 1247782, 10606147, 21212294]

約数ペア:

[(1, 21212294), (2, 10606147), (17, 1247782), (34, 623891), (419, 50626), (838, 25313), (1489, 14246), (2978, 7123)]