20921133

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{467}}^1$

素因数の和:716

約数の個数: 16

約数和(自身を含む): 28416960

約数和(自身を除く): 7495827

約数列:

[1, 3, 109, 137, 327, 411, 467, 1401, 14933, 44799, 50903, 63979, 152709, 191937, 6973711, 20921133]

約数ペア:

[(1, 20921133), (3, 6973711), (109, 191937), (137, 152709), (327, 63979), (411, 50903), (467, 44799), (1401, 14933)]