21333455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29837}}^1$

素因数の和:29866

約数の個数: 16

約数和(自身を含む): 30076704

約数和(自身を除く): 8743249

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29837, 149185, 328207, 387881, 1641035, 1939405, 4266691, 21333455]

約数ペア:

[(1, 21333455), (5, 4266691), (11, 1939405), (13, 1641035), (55, 387881), (65, 328207), (143, 149185), (715, 29837)]