21196427

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:458

約数の個数: 16

約数和(自身を含む): 24748032

約数和(自身を除く): 3551605

約数列:

[1, 7, 113, 127, 211, 791, 889, 1477, 14351, 23843, 26797, 100457, 166901, 187579, 3028061, 21196427]

約数ペア:

[(1, 21196427), (7, 3028061), (113, 187579), (127, 166901), (211, 100457), (791, 26797), (889, 23843), (1477, 14351)]