21347444955

素因数分解:

$3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{677}}^1\times {\mathrm{7481}}^1$

素因数の和:8447

約数の個数: 32

約数和(自身を含む): 34332683328

約数和(自身を除く): 12985238373

約数列:

[1, 3, 5, 15, 281, 677, 843, 1405, 2031, 3385, 4215, 7481, 10155, 22443, 37405, 112215, 190237, 570711, 951185, 2102161, 2853555, 5064637, 6306483, 10510805, 15193911, 25323185, 31532415, 75969555, 1423162997, 4269488991, 7115814985, 21347444955]

約数ペア:

[(1, 21347444955), (3, 7115814985), (5, 4269488991), (15, 1423162997), (281, 75969555), (677, 31532415), (843, 25323185), (1405, 15193911), (2031, 10510805), (3385, 6306483), (4215, 5064637), (7481, 2853555), (10155, 2102161), (22443, 951185), (37405, 570711), (112215, 190237)]