21797524

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8747}}^1$

素因数の和:8847

約数の個数: 24

約数和(自身を含む): 44089920

約数和(自身を除く): 22292396

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8747, 17494, 34988, 61229, 122458, 244916, 778483, 1556966, 3113932, 5449381, 10898762, 21797524]

約数ペア:

[(1, 21797524), (2, 10898762), (4, 5449381), (7, 3113932), (14, 1556966), (28, 778483), (89, 244916), (178, 122458), (356, 61229), (623, 34988), (1246, 17494), (2492, 8747)]