21904042

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{5273}}^1$

素因数の和:5373

約数の個数: 16

約数和(自身を含む): 34428672

約数和(自身を除く): 12524630

約数列:

[1, 2, 31, 62, 67, 134, 2077, 4154, 5273, 10546, 163463, 326926, 353291, 706582, 10952021, 21904042]

約数ペア:

[(1, 21904042), (2, 10952021), (31, 706582), (62, 353291), (67, 326926), (134, 163463), (2077, 10546), (4154, 5273)]