21097789443

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{1259}}^1\times {\mathrm{20021}}^1$

素因数の和:21320

約数の個数: 32

約数和(自身を含む): 32291481600

約数和(自身を除く): 11193692157

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 1259, 3777, 11331, 20021, 33993, 39029, 60063, 117087, 180189, 351261, 540567, 620651, 1053783, 1861953, 5585859, 16757577, 25206439, 75619317, 226857951, 680573853, 781399609, 2344198827, 7032596481, 21097789443]

約数ペア:

[(1, 21097789443), (3, 7032596481), (9, 2344198827), (27, 781399609), (31, 680573853), (93, 226857951), (279, 75619317), (837, 25206439), (1259, 16757577), (3777, 5585859), (11331, 1861953), (20021, 1053783), (33993, 620651), (39029, 540567), (60063, 351261), (117087, 180189)]