21118526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1801}}^1$

素因数の和:1868

約数の個数: 32

約数和(自身を含む): 38144736

約数和(自身を除く): 17026210

約数列:

[1, 2, 11, 13, 22, 26, 41, 82, 143, 286, 451, 533, 902, 1066, 1801, 3602, 5863, 11726, 19811, 23413, 39622, 46826, 73841, 147682, 257543, 515086, 812251, 959933, 1624502, 1919866, 10559263, 21118526]

約数ペア:

[(1, 21118526), (2, 10559263), (11, 1919866), (13, 1624502), (22, 959933), (26, 812251), (41, 515086), (82, 257543), (143, 147682), (286, 73841), (451, 46826), (533, 39622), (902, 23413), (1066, 19811), (1801, 11726), (3602, 5863)]