21497745477

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{9036463}}^1$

素因数の和:9036540

約数の個数: 16

約数和(自身を含む): 31374603008

約数和(自身を除く): 9876857531

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 9036463, 27109389, 117474019, 352422057, 551224243, 1653672729, 7165915159, 21497745477]

約数ペア:

[(1, 21497745477), (3, 7165915159), (13, 1653672729), (39, 551224243), (61, 352422057), (183, 117474019), (793, 27109389), (2379, 9036463)]