21458217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{8231}}^1$

素因数の和:8324

約数の個数: 16

約数和(自身を含む): 31610880

約数和(自身を除く): 10152663

約数列:

[1, 3, 11, 33, 79, 237, 869, 2607, 8231, 24693, 90541, 271623, 650249, 1950747, 7152739, 21458217]

約数ペア:

[(1, 21458217), (3, 7152739), (11, 1950747), (33, 650249), (79, 271623), (237, 90541), (869, 24693), (2607, 8231)]