21102401

素因数分解:

${\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 22617600

約数和(自身を除く): 1515199

約数列:

[1, 29, 61, 79, 151, 1769, 2291, 4379, 4819, 9211, 11929, 139751, 267119, 345941, 727669, 21102401]

約数ペア:

[(1, 21102401), (29, 727669), (61, 345941), (79, 267119), (151, 139751), (1769, 11929), (2291, 9211), (4379, 4819)]