21937245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{132953}}^1$

素因数の和:132972

約数の個数: 16

約数和(自身を含む): 38290752

約数和(自身を除く): 16353507

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 132953, 398859, 664765, 1462483, 1994295, 4387449, 7312415, 21937245]

約数ペア:

[(1, 21937245), (3, 7312415), (5, 4387449), (11, 1994295), (15, 1462483), (33, 664765), (55, 398859), (165, 132953)]