21672092

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1019}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 40983600

約数和(自身を除く): 19311508

約数列:

[1, 2, 4, 13, 26, 52, 409, 818, 1019, 1636, 2038, 4076, 5317, 10634, 13247, 21268, 26494, 52988, 416771, 833542, 1667084, 5418023, 10836046, 21672092]

約数ペア:

[(1, 21672092), (2, 10836046), (4, 5418023), (13, 1667084), (26, 833542), (52, 416771), (409, 52988), (818, 26494), (1019, 21268), (1636, 13247), (2038, 10634), (4076, 5317)]