21466124

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^2$

素因数の和:230

約数の個数: 36

約数和(自身を含む): 41001240

約数和(自身を除く): 19535116

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 83, 164, 166, 332, 779, 1558, 1577, 3116, 3154, 3403, 6308, 6806, 6889, 13612, 13778, 27556, 64657, 129314, 130891, 258628, 261782, 282449, 523564, 564898, 1129796, 5366531, 10733062, 21466124]

約数ペア:

[(1, 21466124), (2, 10733062), (4, 5366531), (19, 1129796), (38, 564898), (41, 523564), (76, 282449), (82, 261782), (83, 258628), (164, 130891), (166, 129314), (332, 64657), (779, 27556), (1558, 13778), (1577, 13612), (3116, 6889), (3154, 6806), (3403, 6308)]