21025864

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 41400000

約数和(自身を除く): 20374136

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 229, 458, 499, 916, 998, 1832, 1996, 3992, 5267, 10534, 11477, 21068, 22954, 42136, 45908, 91816, 114271, 228542, 457084, 914168, 2628233, 5256466, 10512932, 21025864]

約数ペア:

[(1, 21025864), (2, 10512932), (4, 5256466), (8, 2628233), (23, 914168), (46, 457084), (92, 228542), (184, 114271), (229, 91816), (458, 45908), (499, 42136), (916, 22954), (998, 21068), (1832, 11477), (1996, 10534), (3992, 5267)]