21336510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54709}}^1$

素因数の和:54732

約数の個数: 32

約数和(自身を含む): 55147680

約数和(自身を除く): 33811170

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54709, 109418, 164127, 273545, 328254, 547090, 711217, 820635, 1422434, 1641270, 2133651, 3556085, 4267302, 7112170, 10668255, 21336510]

約数ペア:

[(1, 21336510), (2, 10668255), (3, 7112170), (5, 4267302), (6, 3556085), (10, 2133651), (13, 1641270), (15, 1422434), (26, 820635), (30, 711217), (39, 547090), (65, 328254), (78, 273545), (130, 164127), (195, 109418), (390, 54709)]