21400382

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{3769}}^1$

素因数の和:3955

約数の個数: 16

約数和(自身を含む): 34201440

約数和(自身を除く): 12801058

約数列:

[1, 2, 17, 34, 167, 334, 2839, 3769, 5678, 7538, 64073, 128146, 629423, 1258846, 10700191, 21400382]

約数ペア:

[(1, 21400382), (2, 10700191), (17, 1258846), (34, 629423), (167, 128146), (334, 64073), (2839, 7538), (3769, 5678)]