21641873

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{757}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 24886656

約数和(自身を除く): 3244783

約数列:

[1, 11, 23, 113, 253, 757, 1243, 2599, 8327, 17411, 28589, 85541, 191521, 940951, 1967443, 21641873]

約数ペア:

[(1, 21641873), (11, 1967443), (23, 940951), (113, 191521), (253, 85541), (757, 28589), (1243, 17411), (2599, 8327)]