21144824

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{33457}}^1$

素因数の和:33542

約数の個数: 16

約数和(自身を含む): 40149600

約数和(自身を除く): 19004776

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 33457, 66914, 133828, 267656, 2643103, 5286206, 10572412, 21144824]

約数ペア:

[(1, 21144824), (2, 10572412), (4, 5286206), (8, 2643103), (79, 267656), (158, 133828), (316, 66914), (632, 33457)]