21912128

素因数分解:

$2^6\times 7^1\times {\mathrm{59}}^1\times {\mathrm{829}}^1$

素因数の和:907

約数の個数: 56

約数和(自身を含む): 50596800

約数和(自身を除く): 28684672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 64, 112, 118, 224, 236, 413, 448, 472, 826, 829, 944, 1652, 1658, 1888, 3304, 3316, 3776, 5803, 6608, 6632, 11606, 13216, 13264, 23212, 26432, 26528, 46424, 48911, 53056, 92848, 97822, 185696, 195644, 342377, 371392, 391288, 684754, 782576, 1369508, 1565152, 2739016, 3130304, 5478032, 10956064, 21912128]

約数ペア:

[(1, 21912128), (2, 10956064), (4, 5478032), (7, 3130304), (8, 2739016), (14, 1565152), (16, 1369508), (28, 782576), (32, 684754), (56, 391288), (59, 371392), (64, 342377), (112, 195644), (118, 185696), (224, 97822), (236, 92848), (413, 53056), (448, 48911), (472, 46424), (826, 26528), (829, 26432), (944, 23212), (1652, 13264), (1658, 13216), (1888, 11606), (3304, 6632), (3316, 6608), (3776, 5803)]