21857038620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{364283977}}^1$

素因数の和:364283989

約数の個数: 24

約数和(自身を含む): 61199708304

約数和(自身を除く): 39342669684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 364283977, 728567954, 1092851931, 1457135908, 1821419885, 2185703862, 3642839770, 4371407724, 5464259655, 7285679540, 10928519310, 21857038620]

約数ペア:

[(1, 21857038620), (2, 10928519310), (3, 7285679540), (4, 5464259655), (5, 4371407724), (6, 3642839770), (10, 2185703862), (12, 1821419885), (15, 1457135908), (20, 1092851931), (30, 728567954), (60, 364283977)]