21859830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{242887}}^1$

素因数の和:242900

約数の個数: 24

約数和(自身を含む): 56835792

約数和(自身を除く): 34975962

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 242887, 485774, 728661, 1214435, 1457322, 2185983, 2428870, 3643305, 4371966, 7286610, 10929915, 21859830]

約数ペア:

[(1, 21859830), (2, 10929915), (3, 7286610), (5, 4371966), (6, 3643305), (9, 2428870), (10, 2185983), (15, 1457322), (18, 1214435), (30, 728661), (45, 485774), (90, 242887)]