21783167

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 25436160

約数和(自身を除く): 3652993

約数列:

[1, 7, 107, 127, 229, 749, 889, 1603, 13589, 24503, 29083, 95123, 171521, 203581, 3111881, 21783167]

約数ペア:

[(1, 21783167), (7, 3111881), (107, 203581), (127, 171521), (229, 95123), (749, 29083), (889, 24503), (1603, 13589)]