21788326

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{811}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 39755520

約数和(自身を除く): 17967194

約数列:

[1, 2, 7, 14, 19, 38, 101, 133, 202, 266, 707, 811, 1414, 1622, 1919, 3838, 5677, 11354, 13433, 15409, 26866, 30818, 81911, 107863, 163822, 215726, 573377, 1146754, 1556309, 3112618, 10894163, 21788326]

約数ペア:

[(1, 21788326), (2, 10894163), (7, 3112618), (14, 1556309), (19, 1146754), (38, 573377), (101, 215726), (133, 163822), (202, 107863), (266, 81911), (707, 30818), (811, 26866), (1414, 15409), (1622, 13433), (1919, 11354), (3838, 5677)]