20211652857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{454021}}^1$

素因数の和:454125

約数の個数: 32

約数和(自身を含む): 31382000640

約数和(自身を除く): 11170347783

約数列:

[1, 3, 11, 19, 33, 57, 71, 209, 213, 627, 781, 1349, 2343, 4047, 14839, 44517, 454021, 1362063, 4994231, 8626399, 14982693, 25879197, 32235491, 94890389, 96706473, 284671167, 354590401, 612474329, 1063771203, 1837422987, 6737217619, 20211652857]

約数ペア:

[(1, 20211652857), (3, 6737217619), (11, 1837422987), (19, 1063771203), (33, 612474329), (57, 354590401), (71, 284671167), (209, 96706473), (213, 94890389), (627, 32235491), (781, 25879197), (1349, 14982693), (2343, 8626399), (4047, 4994231), (14839, 1362063), (44517, 454021)]