210005554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{156487}}^1$

素因数の和:156561

約数の個数: 16

約数和(自身を含む): 349281216

約数和(自身を除く): 139275662

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 156487, 312974, 1721357, 3442714, 9545707, 19091414, 105002777, 210005554]

約数ペア:

[(1, 210005554), (2, 105002777), (11, 19091414), (22, 9545707), (61, 3442714), (122, 1721357), (671, 312974), (1342, 156487)]