21542179

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1086

約数の個数: 16

約数和(自身を含む): 24143616

約数和(自身を除く): 2601437

約数列:

[1, 17, 31, 41, 527, 697, 997, 1271, 16949, 21607, 30907, 40877, 525419, 694909, 1267187, 21542179]

約数ペア:

[(1, 21542179), (17, 1267187), (31, 694909), (41, 525419), (527, 40877), (697, 30907), (997, 21607), (1271, 16949)]