21556888

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1483}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 42739200

約数和(自身を除く): 21182312

約数列:

[1, 2, 4, 8, 23, 46, 79, 92, 158, 184, 316, 632, 1483, 1817, 2966, 3634, 5932, 7268, 11864, 14536, 34109, 68218, 117157, 136436, 234314, 272872, 468628, 937256, 2694611, 5389222, 10778444, 21556888]

約数ペア:

[(1, 21556888), (2, 10778444), (4, 5389222), (8, 2694611), (23, 937256), (46, 468628), (79, 272872), (92, 234314), (158, 136436), (184, 117157), (316, 68218), (632, 34109), (1483, 14536), (1817, 11864), (2966, 7268), (3634, 5932)]