21131994856

素因数分解:

$2^3\times 7^1\times {\mathrm{821}}^1\times {\mathrm{459631}}^1$

素因数の和:460465

約数の個数: 32

約数和(自身を含む): 45338100480

約数和(自身を除く): 24206105624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 821, 1642, 3284, 5747, 6568, 11494, 22988, 45976, 459631, 919262, 1838524, 3217417, 3677048, 6434834, 12869668, 25739336, 377357051, 754714102, 1509428204, 2641499357, 3018856408, 5282998714, 10565997428, 21131994856]

約数ペア:

[(1, 21131994856), (2, 10565997428), (4, 5282998714), (7, 3018856408), (8, 2641499357), (14, 1509428204), (28, 754714102), (56, 377357051), (821, 25739336), (1642, 12869668), (3284, 6434834), (5747, 3677048), (6568, 3217417), (11494, 1838524), (22988, 919262), (45976, 459631)]