21124509

素因数分解:

$3^1\times 7^1\times {\mathrm{941}}^1\times {\mathrm{1069}}^1$

素因数の和:2020

約数の個数: 16

約数和(自身を含む): 32254080

約数和(自身を除く): 11129571

約数列:

[1, 3, 7, 21, 941, 1069, 2823, 3207, 6587, 7483, 19761, 22449, 1005929, 3017787, 7041503, 21124509]

約数ペア:

[(1, 21124509), (3, 7041503), (7, 3017787), (21, 1005929), (941, 22449), (1069, 19761), (2823, 7483), (3207, 6587)]