21574729

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 2939831

約数列:

[1, 11, 31, 151, 341, 419, 1661, 4609, 4681, 12989, 51491, 63269, 142879, 695959, 1961339, 21574729]

約数ペア:

[(1, 21574729), (11, 1961339), (31, 695959), (151, 142879), (341, 63269), (419, 51491), (1661, 12989), (4609, 4681)]