21952402

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{677}}^1$

素因数の和:1233

約数の個数: 16

約数和(自身を含む): 34106112

約数和(自身を除く): 12153710

約数列:

[1, 2, 31, 62, 523, 677, 1046, 1354, 16213, 20987, 32426, 41974, 354071, 708142, 10976201, 21952402]

約数ペア:

[(1, 21952402), (2, 10976201), (31, 708142), (62, 354071), (523, 41974), (677, 32426), (1046, 20987), (1354, 16213)]