20211886513

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{21587}}^1\times {\mathrm{10289}}^1$

素因数の和:31896

約数の個数: 16

約数和(自身を含む): 24879738240

約数和(自身を除く): 4667851727

約数列:

[1, 7, 13, 91, 10289, 21587, 72023, 133757, 151109, 280631, 936299, 1964417, 222108643, 1554760501, 2887412359, 20211886513]

約数ペア:

[(1, 20211886513), (7, 2887412359), (13, 1554760501), (91, 222108643), (10289, 1964417), (21587, 936299), (72023, 280631), (133757, 151109)]