21928532

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1987}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 40078080

約数和(自身を除く): 18149548

約数列:

[1, 2, 4, 31, 62, 89, 124, 178, 356, 1987, 2759, 3974, 5518, 7948, 11036, 61597, 123194, 176843, 246388, 353686, 707372, 5482133, 10964266, 21928532]

約数ペア:

[(1, 21928532), (2, 10964266), (4, 5482133), (31, 707372), (62, 353686), (89, 246388), (124, 176843), (178, 123194), (356, 61597), (1987, 11036), (2759, 7948), (3974, 5518)]