21962619

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3917}}^1$

素因数の和:4019

約数の個数: 24

約数和(自身を含む): 36672480

約数和(自身を除く): 14709861

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 3917, 5607, 11751, 27419, 35253, 82257, 246771, 348613, 1045839, 2440291, 3137517, 7320873, 21962619]

約数ペア:

[(1, 21962619), (3, 7320873), (7, 3137517), (9, 2440291), (21, 1045839), (63, 348613), (89, 246771), (267, 82257), (623, 35253), (801, 27419), (1869, 11751), (3917, 5607)]