20210854461

素因数分解:

$3^1\times 7^1\times {\mathrm{1709}}^1\times {\mathrm{563149}}^1$

素因数の和:564868

約数の個数: 16

約数和(自身を含む): 30815568000

約数和(自身を除く): 10604713539

約数列:

[1, 3, 7, 21, 1709, 5127, 11963, 35889, 563149, 1689447, 3942043, 11826129, 962421641, 2887264923, 6736951487, 20210854461]

約数ペア:

[(1, 20210854461), (3, 6736951487), (7, 2887264923), (21, 962421641), (1709, 11826129), (5127, 3942043), (11963, 1689447), (35889, 563149)]