21000307701154

素因数分解:

$2^1\times {\mathrm{138559}}^1\times {\mathrm{75781103}}^1$

素因数の和:75919664

約数の個数: 8

約数和(自身を含む): 31500689310720

約数和(自身を除く): 10500381609566

約数列:

[1, 2, 138559, 277118, 75781103, 151562206, 10500153850577, 21000307701154]

約数ペア:

[(1, 21000307701154), (2, 10500153850577), (138559, 151562206), (277118, 75781103)]