21484358

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 38098944

約数和(自身を除く): 16614586

約数列:

[1, 2, 7, 14, 47, 94, 103, 206, 317, 329, 634, 658, 721, 1442, 2219, 4438, 4841, 9682, 14899, 29798, 32651, 33887, 65302, 67774, 104293, 208586, 228557, 457114, 1534597, 3069194, 10742179, 21484358]

約数ペア:

[(1, 21484358), (2, 10742179), (7, 3069194), (14, 1534597), (47, 457114), (94, 228557), (103, 208586), (206, 104293), (317, 67774), (329, 65302), (634, 33887), (658, 32651), (721, 29798), (1442, 14899), (2219, 9682), (4438, 4841)]