21679254

素因数分解:

$2^1\times 3^2\times {\mathrm{743}}^1\times {\mathrm{1621}}^1$

素因数の和:2372

約数の個数: 24

約数和(自身を含む): 47063952

約数和(自身を除く): 25384698

約数列:

[1, 2, 3, 6, 9, 18, 743, 1486, 1621, 2229, 3242, 4458, 4863, 6687, 9726, 13374, 14589, 29178, 1204403, 2408806, 3613209, 7226418, 10839627, 21679254]

約数ペア:

[(1, 21679254), (2, 10839627), (3, 7226418), (6, 3613209), (9, 2408806), (18, 1204403), (743, 29178), (1486, 14589), (1621, 13374), (2229, 9726), (3242, 6687), (4458, 4863)]