21000948991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2879}}^1\times {\mathrm{7451}}^1$

素因数の和:10430

約数の個数: 16

約数和(自身を含む): 23178700800

約数和(自身を除く): 2177751809

約数列:

[1, 11, 89, 979, 2879, 7451, 31669, 81961, 256231, 663139, 2818541, 7294529, 21451429, 235965719, 1909177181, 21000948991]

約数ペア:

[(1, 21000948991), (11, 1909177181), (89, 235965719), (979, 21451429), (2879, 7294529), (7451, 2818541), (31669, 663139), (81961, 256231)]