21628867

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:702

約数の個数: 16

約数和(自身を含む): 24373440

約数和(自身を除く): 2744573

約数列:

[1, 13, 29, 103, 377, 557, 1339, 2987, 7241, 16153, 38831, 57371, 209989, 745823, 1663759, 21628867]

約数ペア:

[(1, 21628867), (13, 1663759), (29, 745823), (103, 209989), (377, 57371), (557, 38831), (1339, 16153), (2987, 7241)]