211672643

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{21739}}^1$

素因数の和:21866

約数の個数: 16

約数和(自身を含む): 262967040

約数和(自身を除く): 51294397

約数列:

[1, 7, 13, 91, 107, 749, 1391, 9737, 21739, 152173, 282607, 1978249, 2326073, 16282511, 30238949, 211672643]

約数ペア:

[(1, 211672643), (7, 30238949), (13, 16282511), (91, 2326073), (107, 1978249), (749, 282607), (1391, 152173), (9737, 21739)]