21665905220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37355009}}^1$

素因数の和:37355047

約数の個数: 24

約数和(自身を含む): 47067312600

約数和(自身を除く): 25401407380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 37355009, 74710018, 149420036, 186775045, 373550090, 747100180, 1083295261, 2166590522, 4333181044, 5416476305, 10832952610, 21665905220]

約数ペア:

[(1, 21665905220), (2, 10832952610), (4, 5416476305), (5, 4333181044), (10, 2166590522), (20, 1083295261), (29, 747100180), (58, 373550090), (116, 186775045), (145, 149420036), (290, 74710018), (580, 37355009)]