21733910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10399}}^1$

素因数の和:10436

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 23194090

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 10399, 20798, 51995, 103990, 114389, 197581, 228778, 395162, 571945, 987905, 1143890, 1975810, 2173391, 4346782, 10866955, 21733910]

約数ペア:

[(1, 21733910), (2, 10866955), (5, 4346782), (10, 2173391), (11, 1975810), (19, 1143890), (22, 987905), (38, 571945), (55, 395162), (95, 228778), (110, 197581), (190, 114389), (209, 103990), (418, 51995), (1045, 20798), (2090, 10399)]