21791235

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{761}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 36868608

約数和(自身を除く): 15077373

約数列:

[1, 3, 5, 15, 23, 69, 83, 115, 249, 345, 415, 761, 1245, 1909, 2283, 3805, 5727, 9545, 11415, 17503, 28635, 52509, 63163, 87515, 189489, 262545, 315815, 947445, 1452749, 4358247, 7263745, 21791235]

約数ペア:

[(1, 21791235), (3, 7263745), (5, 4358247), (15, 1452749), (23, 947445), (69, 315815), (83, 262545), (115, 189489), (249, 87515), (345, 63163), (415, 52509), (761, 28635), (1245, 17503), (1909, 11415), (2283, 9545), (3805, 5727)]