21247682

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1511}}^1$

素因数の和:1681

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 11411518

約数列:

[1, 2, 79, 89, 158, 178, 1511, 3022, 7031, 14062, 119369, 134479, 238738, 268958, 10623841, 21247682]

約数ペア:

[(1, 21247682), (2, 10623841), (79, 268958), (89, 238738), (158, 134479), (178, 119369), (1511, 14062), (3022, 7031)]