20211477

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{4283}}^1$

素因数の和:4321

約数の個数: 24

約数和(自身を含む): 31907232

約数和(自身を除く): 11695755

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 363, 429, 1573, 4283, 4719, 12849, 47113, 55679, 141339, 167037, 518243, 612469, 1554729, 1837407, 6737159, 20211477]

約数ペア:

[(1, 20211477), (3, 6737159), (11, 1837407), (13, 1554729), (33, 612469), (39, 518243), (121, 167037), (143, 141339), (363, 55679), (429, 47113), (1573, 12849), (4283, 4719)]