21012363

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1223}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 32078592

約数和(自身を除く): 11066229

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 747, 1223, 1909, 3669, 5727, 11007, 17181, 28129, 84387, 101509, 253161, 304527, 913581, 2334707, 7004121, 21012363]

約数ペア:

[(1, 21012363), (3, 7004121), (9, 2334707), (23, 913581), (69, 304527), (83, 253161), (207, 101509), (249, 84387), (747, 28129), (1223, 17181), (1909, 11007), (3669, 5727)]