21002438

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{11681}}^1$

素因数の和:11743

約数の個数: 16

約数和(自身を含む): 33644160

約数和(自身を除く): 12641722

約数列:

[1, 2, 29, 31, 58, 62, 899, 1798, 11681, 23362, 338749, 362111, 677498, 724222, 10501219, 21002438]

約数ペア:

[(1, 21002438), (2, 10501219), (29, 724222), (31, 677498), (58, 362111), (62, 338749), (899, 23362), (1798, 11681)]