21906929

素因数分解:

${\mathrm{11}}^3\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:293

約数の個数: 16

約数和(自身を含む): 24478080

約数和(自身を除く): 2571151

約数列:

[1, 11, 109, 121, 151, 1199, 1331, 1661, 13189, 16459, 18271, 145079, 181049, 200981, 1991539, 21906929]

約数ペア:

[(1, 21906929), (11, 1991539), (109, 200981), (121, 181049), (151, 145079), (1199, 18271), (1331, 16459), (1661, 13189)]