21128179968008

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{12541}}^1\times {\mathrm{1102571}}^1$

素因数の和:1115309

約数の個数: 32

約数和(自身を含む): 39825959109120

約数和(自身を除く): 18697779141112

約数列:

[1, 2, 4, 8, 191, 382, 764, 1528, 12541, 25082, 50164, 100328, 1102571, 2205142, 2395331, 4410284, 4790662, 8820568, 9581324, 19162648, 210591061, 421182122, 842364244, 1684728488, 13827342911, 27654685822, 55309371644, 110618743288, 2641022496001, 5282044992002, 10564089984004, 21128179968008]

約数ペア:

[(1, 21128179968008), (2, 10564089984004), (4, 5282044992002), (8, 2641022496001), (191, 110618743288), (382, 55309371644), (764, 27654685822), (1528, 13827342911), (12541, 1684728488), (25082, 842364244), (50164, 421182122), (100328, 210591061), (1102571, 19162648), (2205142, 9581324), (2395331, 8820568), (4410284, 4790662)]