21437923

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 23731456

約数和(自身を除く): 2293533

約数列:

[1, 13, 67, 151, 163, 871, 1963, 2119, 10117, 10921, 24613, 131521, 141973, 319969, 1649071, 21437923]

約数ペア:

[(1, 21437923), (13, 1649071), (67, 319969), (151, 141973), (163, 131521), (871, 24613), (1963, 10921), (2119, 10117)]