21811268

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3001}}^1$

素因数の和:3107

約数の個数: 24

約数和(自身を含む): 40346880

約数和(自身を除く): 18535612

約数列:

[1, 2, 4, 23, 46, 79, 92, 158, 316, 1817, 3001, 3634, 6002, 7268, 12004, 69023, 138046, 237079, 276092, 474158, 948316, 5452817, 10905634, 21811268]

約数ペア:

[(1, 21811268), (2, 10905634), (4, 5452817), (23, 948316), (46, 474158), (79, 276092), (92, 237079), (158, 138046), (316, 69023), (1817, 12004), (3001, 7268), (3634, 6002)]