21000700052

素因数分解:

$2^2\times {\mathrm{30661}}^1\times {\mathrm{171233}}^1$

素因数の和:201898

約数の個数: 12

約数和(自身を含む): 36752638356

約数和(自身を除く): 15751938304

約数列:

[1, 2, 4, 30661, 61322, 122644, 171233, 342466, 684932, 5250175013, 10500350026, 21000700052]

約数ペア:

[(1, 21000700052), (2, 10500350026), (4, 5250175013), (30661, 684932), (61322, 342466), (122644, 171233)]