21154802

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{1697}}^1$

素因数の和:1993

約数の個数: 16

約数和(自身を含む): 33253632

約数和(自身を除く): 12098830

約数列:

[1, 2, 23, 46, 271, 542, 1697, 3394, 6233, 12466, 39031, 78062, 459887, 919774, 10577401, 21154802]

約数ペア:

[(1, 21154802), (2, 10577401), (23, 919774), (46, 459887), (271, 78062), (542, 39031), (1697, 12466), (3394, 6233)]