21020126

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{887}}^1$

素因数の和:964

約数の個数: 24

約数和(自身を含む): 34349616

約数和(自身を除く): 13329490

約数列:

[1, 2, 17, 34, 41, 82, 289, 578, 697, 887, 1394, 1774, 11849, 15079, 23698, 30158, 36367, 72734, 256343, 512686, 618239, 1236478, 10510063, 21020126]

約数ペア:

[(1, 21020126), (2, 10510063), (17, 1236478), (34, 618239), (41, 512686), (82, 256343), (289, 72734), (578, 36367), (697, 30158), (887, 23698), (1394, 15079), (1774, 11849)]