21406860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118927}}^1$

素因数の和:118942

約数の個数: 36

約数和(自身を含む): 64934688

約数和(自身を除く): 43527828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118927, 237854, 356781, 475708, 594635, 713562, 1070343, 1189270, 1427124, 1783905, 2140686, 2378540, 3567810, 4281372, 5351715, 7135620, 10703430, 21406860]

約数ペア:

[(1, 21406860), (2, 10703430), (3, 7135620), (4, 5351715), (5, 4281372), (6, 3567810), (9, 2378540), (10, 2140686), (12, 1783905), (15, 1427124), (18, 1189270), (20, 1070343), (30, 713562), (36, 594635), (45, 475708), (60, 356781), (90, 237854), (180, 118927)]