21148292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 43606080

約数和(自身を除く): 22457788

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 164, 209, 418, 451, 617, 779, 836, 902, 1234, 1558, 1804, 2468, 3116, 6787, 8569, 11723, 13574, 17138, 23446, 25297, 27148, 34276, 46892, 50594, 101188, 128953, 257906, 278267, 480643, 515812, 556534, 961286, 1113068, 1922572, 5287073, 10574146, 21148292]

約数ペア:

[(1, 21148292), (2, 10574146), (4, 5287073), (11, 1922572), (19, 1113068), (22, 961286), (38, 556534), (41, 515812), (44, 480643), (76, 278267), (82, 257906), (164, 128953), (209, 101188), (418, 50594), (451, 46892), (617, 34276), (779, 27148), (836, 25297), (902, 23446), (1234, 17138), (1558, 13574), (1804, 11723), (2468, 8569), (3116, 6787)]