21793912

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20483}}^1$

素因数の和:20515

約数の個数: 32

約数和(自身を含む): 49161600

約数和(自身を除く): 27367688

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20483, 40966, 81932, 143381, 163864, 286762, 389177, 573524, 778354, 1147048, 1556708, 2724239, 3113416, 5448478, 10896956, 21793912]

約数ペア:

[(1, 21793912), (2, 10896956), (4, 5448478), (7, 3113416), (8, 2724239), (14, 1556708), (19, 1147048), (28, 778354), (38, 573524), (56, 389177), (76, 286762), (133, 163864), (152, 143381), (266, 81932), (532, 40966), (1064, 20483)]