21308346

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{4243}}^1$

素因数の和:4288

約数の個数: 40

約数和(自身を含む): 49298304

約数和(自身を除く): 27989958

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 279, 558, 837, 1674, 2511, 4243, 5022, 8486, 12729, 25458, 38187, 76374, 114561, 131533, 229122, 263066, 343683, 394599, 687366, 789198, 1183797, 2367594, 3551391, 7102782, 10654173, 21308346]

約数ペア:

[(1, 21308346), (2, 10654173), (3, 7102782), (6, 3551391), (9, 2367594), (18, 1183797), (27, 789198), (31, 687366), (54, 394599), (62, 343683), (81, 263066), (93, 229122), (162, 131533), (186, 114561), (279, 76374), (558, 38187), (837, 25458), (1674, 12729), (2511, 8486), (4243, 5022)]