21553806

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{499}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 45216000

約数和(自身を除く): 23662194

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 313, 499, 626, 939, 998, 1497, 1878, 2994, 7199, 11477, 14398, 21597, 22954, 34431, 43194, 68862, 156187, 312374, 468561, 937122, 3592301, 7184602, 10776903, 21553806]

約数ペア:

[(1, 21553806), (2, 10776903), (3, 7184602), (6, 3592301), (23, 937122), (46, 468561), (69, 312374), (138, 156187), (313, 68862), (499, 43194), (626, 34431), (939, 22954), (998, 21597), (1497, 14398), (1878, 11477), (2994, 7199)]