21000908011

素因数分解:

${\mathrm{23}}^2\times {\mathrm{151}}^1\times {\mathrm{262909}}^1$

素因数の和:263106

約数の個数: 12

約数和(自身を含む): 22099162960

約数和(自身を除く): 1098254949

約数列:

[1, 23, 151, 529, 3473, 79879, 262909, 6046907, 39699259, 139078861, 913082957, 21000908011]

約数ペア:

[(1, 21000908011), (23, 913082957), (151, 139078861), (529, 39699259), (3473, 6046907), (79879, 262909)]