21327730

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{40241}}^1$

素因数の和:40301

約数の個数: 16

約数和(自身を含む): 39115224

約数和(自身を除く): 17787494

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 40241, 80482, 201205, 402410, 2132773, 4265546, 10663865, 21327730]

約数ペア:

[(1, 21327730), (2, 10663865), (5, 4265546), (10, 2132773), (53, 402410), (106, 201205), (265, 80482), (530, 40241)]