21915294

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 45201024

約数和(自身を除く): 23285730

約数列:

[1, 2, 3, 6, 43, 86, 129, 173, 258, 346, 491, 519, 982, 1038, 1473, 2946, 7439, 14878, 21113, 22317, 42226, 44634, 63339, 84943, 126678, 169886, 254829, 509658, 3652549, 7305098, 10957647, 21915294]

約数ペア:

[(1, 21915294), (2, 10957647), (3, 7305098), (6, 3652549), (43, 509658), (86, 254829), (129, 169886), (173, 126678), (258, 84943), (346, 63339), (491, 44634), (519, 42226), (982, 22317), (1038, 21113), (1473, 14878), (2946, 7439)]