20210904129

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{821281}}^1$

素因数の和:821928

約数の個数: 16

約数和(自身を含む): 29066812544

約数和(自身を除く): 8855908415

約数列:

[1, 3, 13, 39, 631, 1893, 8203, 24609, 821281, 2463843, 10676653, 32029959, 518228311, 1554684933, 6736968043, 20210904129]

約数ペア:

[(1, 20210904129), (3, 6736968043), (13, 1554684933), (39, 518228311), (631, 32029959), (1893, 10676653), (8203, 2463843), (24609, 821281)]