21564587

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 24509952

約数和(自身を除く): 2945365

約数列:

[1, 11, 47, 53, 517, 583, 787, 2491, 8657, 27401, 36989, 41711, 406879, 458821, 1960417, 21564587]

約数ペア:

[(1, 21564587), (11, 1960417), (47, 458821), (53, 406879), (517, 41711), (583, 36989), (787, 27401), (2491, 8657)]