21527860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37117}}^1$

素因数の和:37155

約数の個数: 24

約数和(自身を含む): 46768680

約数和(自身を除く): 25240820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 37117, 74234, 148468, 185585, 371170, 742340, 1076393, 2152786, 4305572, 5381965, 10763930, 21527860]

約数ペア:

[(1, 21527860), (2, 10763930), (4, 5381965), (5, 4305572), (10, 2152786), (20, 1076393), (29, 742340), (58, 371170), (116, 185585), (145, 148468), (290, 74234), (580, 37117)]