21209422

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{7219}}^1$

素因数の和:7347

約数の個数: 16

約数和(自身を含む): 34569360

約数和(自身を除く): 13359938

約数列:

[1, 2, 13, 26, 113, 226, 1469, 2938, 7219, 14438, 93847, 187694, 815747, 1631494, 10604711, 21209422]

約数ペア:

[(1, 21209422), (2, 10604711), (13, 1631494), (26, 815747), (113, 187694), (226, 93847), (1469, 14438), (2938, 7219)]