21049076

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{1129}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 37968000

約数和(自身を除く): 16918924

約数列:

[1, 2, 4, 59, 79, 118, 158, 236, 316, 1129, 2258, 4516, 4661, 9322, 18644, 66611, 89191, 133222, 178382, 266444, 356764, 5262269, 10524538, 21049076]

約数ペア:

[(1, 21049076), (2, 10524538), (4, 5262269), (59, 356764), (79, 266444), (118, 178382), (158, 133222), (236, 89191), (316, 66611), (1129, 18644), (2258, 9322), (4516, 4661)]