21863445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1033}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 37521792

約数和(自身を除く): 15658347

約数列:

[1, 3, 5, 15, 17, 51, 83, 85, 249, 255, 415, 1033, 1245, 1411, 3099, 4233, 5165, 7055, 15495, 17561, 21165, 52683, 85739, 87805, 257217, 263415, 428695, 1286085, 1457563, 4372689, 7287815, 21863445]

約数ペア:

[(1, 21863445), (3, 7287815), (5, 4372689), (15, 1457563), (17, 1286085), (51, 428695), (83, 263415), (85, 257217), (249, 87805), (255, 85739), (415, 52683), (1033, 21165), (1245, 17561), (1411, 15495), (3099, 7055), (4233, 5165)]