21024392

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{701}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 41446080

約数和(自身を除く): 20421688

約数列:

[1, 2, 4, 8, 23, 46, 92, 163, 184, 326, 652, 701, 1304, 1402, 2804, 3749, 5608, 7498, 14996, 16123, 29992, 32246, 64492, 114263, 128984, 228526, 457052, 914104, 2628049, 5256098, 10512196, 21024392]

約数ペア:

[(1, 21024392), (2, 10512196), (4, 5256098), (8, 2628049), (23, 914104), (46, 457052), (92, 228526), (163, 128984), (184, 114263), (326, 64492), (652, 32246), (701, 29992), (1304, 16123), (1402, 14996), (2804, 7498), (3749, 5608)]