21118316

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2333}}^1$

素因数の和:2441

約数の個数: 24

約数和(自身を含む): 38688384

約数和(自身を除く): 17570068

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2263, 2333, 4526, 4666, 9052, 9332, 72323, 144646, 170309, 289292, 340618, 681236, 5279579, 10559158, 21118316]

約数ペア:

[(1, 21118316), (2, 10559158), (4, 5279579), (31, 681236), (62, 340618), (73, 289292), (124, 170309), (146, 144646), (292, 72323), (2263, 9332), (2333, 9052), (4526, 4666)]