21874152

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 34573848

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 83, 139, 158, 166, 237, 249, 278, 316, 332, 417, 474, 498, 556, 632, 664, 834, 948, 996, 1112, 1668, 1896, 1992, 3336, 6557, 10981, 11537, 13114, 19671, 21962, 23074, 26228, 32943, 34611, 39342, 43924, 46148, 52456, 65886, 69222, 78684, 87848, 92296, 131772, 138444, 157368, 263544, 276888, 911423, 1822846, 2734269, 3645692, 5468538, 7291384, 10937076, 21874152]

約数ペア:

[(1, 21874152), (2, 10937076), (3, 7291384), (4, 5468538), (6, 3645692), (8, 2734269), (12, 1822846), (24, 911423), (79, 276888), (83, 263544), (139, 157368), (158, 138444), (166, 131772), (237, 92296), (249, 87848), (278, 78684), (316, 69222), (332, 65886), (417, 52456), (474, 46148), (498, 43924), (556, 39342), (632, 34611), (664, 32943), (834, 26228), (948, 23074), (996, 21962), (1112, 19671), (1668, 13114), (1896, 11537), (1992, 10981), (3336, 6557)]