21082908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22817}}^1$

素因数の和:22842

約数の個数: 48

約数和(自身を含む): 61334784

約数和(自身を除く): 40251876

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 22817, 45634, 68451, 91268, 136902, 159719, 250987, 273804, 319438, 479157, 501974, 638876, 752961, 958314, 1003948, 1505922, 1756909, 1916628, 3011844, 3513818, 5270727, 7027636, 10541454, 21082908]

約数ペア:

[(1, 21082908), (2, 10541454), (3, 7027636), (4, 5270727), (6, 3513818), (7, 3011844), (11, 1916628), (12, 1756909), (14, 1505922), (21, 1003948), (22, 958314), (28, 752961), (33, 638876), (42, 501974), (44, 479157), (66, 319438), (77, 273804), (84, 250987), (132, 159719), (154, 136902), (231, 91268), (308, 68451), (462, 45634), (924, 22817)]