21533372

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8641}}^1$

素因数の和:8741

約数の個数: 24

約数和(自身を含む): 43555680

約数和(自身を除く): 22022308

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8641, 17282, 34564, 60487, 120974, 241948, 769049, 1538098, 3076196, 5383343, 10766686, 21533372]

約数ペア:

[(1, 21533372), (2, 10766686), (4, 5383343), (7, 3076196), (14, 1538098), (28, 769049), (89, 241948), (178, 120974), (356, 60487), (623, 34564), (1246, 17282), (2492, 8641)]