21219528

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{7307}}^1$

素因数の和:7338

約数の個数: 48

約数和(自身を含む): 58317840

約数和(自身を除く): 37098312

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 7307, 14614, 21921, 29228, 43842, 58456, 80377, 87684, 160754, 175368, 241131, 321508, 482262, 643016, 884147, 964524, 1768294, 1929048, 2652441, 3536588, 5304882, 7073176, 10609764, 21219528]

約数ペア:

[(1, 21219528), (2, 10609764), (3, 7073176), (4, 5304882), (6, 3536588), (8, 2652441), (11, 1929048), (12, 1768294), (22, 964524), (24, 884147), (33, 643016), (44, 482262), (66, 321508), (88, 241131), (121, 175368), (132, 160754), (242, 87684), (264, 80377), (363, 58456), (484, 43842), (726, 29228), (968, 21921), (1452, 14614), (2904, 7307)]