21000340845

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42424931}}^1$

素因数の和:42424953

約数の個数: 24

約数和(自身を含む): 39709736352

約数和(自身を除く): 18709395507

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 42424931, 127274793, 212124655, 381824379, 466674241, 636373965, 1400022723, 1909121895, 2333371205, 4200068169, 7000113615, 21000340845]

約数ペア:

[(1, 21000340845), (3, 7000113615), (5, 4200068169), (9, 2333371205), (11, 1909121895), (15, 1400022723), (33, 636373965), (45, 466674241), (55, 381824379), (99, 212124655), (165, 127274793), (495, 42424931)]