21493843

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{937}}^1$

素因数の和:1086

約数の個数: 16

約数和(自身を含む): 25663680

約数和(自身を除く): 4169837

約数列:

[1, 7, 29, 113, 203, 791, 937, 3277, 6559, 22939, 27173, 105881, 190211, 741167, 3070549, 21493843]

約数ペア:

[(1, 21493843), (7, 3070549), (29, 741167), (113, 190211), (203, 105881), (791, 27173), (937, 22939), (3277, 6559)]