21397398

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{29473}}^1$

素因数の和:29500

約数の個数: 24

約数和(自身を含む): 47040504

約数和(自身を除く): 25643106

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 29473, 58946, 88419, 176838, 324203, 648406, 972609, 1945218, 3566233, 7132466, 10698699, 21397398]

約数ペア:

[(1, 21397398), (2, 10698699), (3, 7132466), (6, 3566233), (11, 1945218), (22, 972609), (33, 648406), (66, 324203), (121, 176838), (242, 88419), (363, 58946), (726, 29473)]