21325956

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{977}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 53234496

約数和(自身を除く): 31908540

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 107, 204, 214, 321, 428, 642, 977, 1284, 1819, 1954, 2931, 3638, 3908, 5457, 5862, 7276, 10914, 11724, 16609, 21828, 33218, 49827, 66436, 99654, 104539, 199308, 209078, 313617, 418156, 627234, 1254468, 1777163, 3554326, 5331489, 7108652, 10662978, 21325956]

約数ペア:

[(1, 21325956), (2, 10662978), (3, 7108652), (4, 5331489), (6, 3554326), (12, 1777163), (17, 1254468), (34, 627234), (51, 418156), (68, 313617), (102, 209078), (107, 199308), (204, 104539), (214, 99654), (321, 66436), (428, 49827), (642, 33218), (977, 21828), (1284, 16609), (1819, 11724), (1954, 10914), (2931, 7276), (3638, 5862), (3908, 5457)]