21724192

素因数分解:

$2^5\times 7^1\times {\mathrm{293}}^1\times {\mathrm{331}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 49194432

約数和(自身を除く): 27470240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 293, 331, 586, 662, 1172, 1324, 2051, 2317, 2344, 2648, 4102, 4634, 4688, 5296, 8204, 9268, 9376, 10592, 16408, 18536, 32816, 37072, 65632, 74144, 96983, 193966, 387932, 678881, 775864, 1357762, 1551728, 2715524, 3103456, 5431048, 10862096, 21724192]

約数ペア:

[(1, 21724192), (2, 10862096), (4, 5431048), (7, 3103456), (8, 2715524), (14, 1551728), (16, 1357762), (28, 775864), (32, 678881), (56, 387932), (112, 193966), (224, 96983), (293, 74144), (331, 65632), (586, 37072), (662, 32816), (1172, 18536), (1324, 16408), (2051, 10592), (2317, 9376), (2344, 9268), (2648, 8204), (4102, 5296), (4634, 4688)]