21046824

素因数分解:

$2^3\times 3^3\times {\mathrm{139}}^1\times {\mathrm{701}}^1$

素因数の和:855

約数の個数: 64

約数和(自身を含む): 58968000

約数和(自身を除く): 37921176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 139, 216, 278, 417, 556, 701, 834, 1112, 1251, 1402, 1668, 2103, 2502, 2804, 3336, 3753, 4206, 5004, 5608, 6309, 7506, 8412, 10008, 12618, 15012, 16824, 18927, 25236, 30024, 37854, 50472, 75708, 97439, 151416, 194878, 292317, 389756, 584634, 779512, 876951, 1169268, 1753902, 2338536, 2630853, 3507804, 5261706, 7015608, 10523412, 21046824]

約数ペア:

[(1, 21046824), (2, 10523412), (3, 7015608), (4, 5261706), (6, 3507804), (8, 2630853), (9, 2338536), (12, 1753902), (18, 1169268), (24, 876951), (27, 779512), (36, 584634), (54, 389756), (72, 292317), (108, 194878), (139, 151416), (216, 97439), (278, 75708), (417, 50472), (556, 37854), (701, 30024), (834, 25236), (1112, 18927), (1251, 16824), (1402, 15012), (1668, 12618), (2103, 10008), (2502, 8412), (2804, 7506), (3336, 6309), (3753, 5608), (4206, 5004)]