21039302

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{3457}}^1$

素因数の和:3655

約数の個数: 16

約数和(自身を含む): 33611760

約数和(自身を除く): 12572458

約数列:

[1, 2, 17, 34, 179, 358, 3043, 3457, 6086, 6914, 58769, 117538, 618803, 1237606, 10519651, 21039302]

約数ペア:

[(1, 21039302), (2, 10519651), (17, 1237606), (34, 618803), (179, 117538), (358, 58769), (3043, 6914), (3457, 6086)]