21207069

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1949}}^1$

素因数の和:2002

約数の個数: 32

約数和(自身を含む): 34944000

約数和(自身を除く): 13736931

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 279, 351, 403, 837, 1209, 1949, 3627, 5847, 10881, 17541, 25337, 52623, 60419, 76011, 181257, 228033, 543771, 684099, 785447, 1631313, 2356341, 7069023, 21207069]

約数ペア:

[(1, 21207069), (3, 7069023), (9, 2356341), (13, 1631313), (27, 785447), (31, 684099), (39, 543771), (93, 228033), (117, 181257), (279, 76011), (351, 60419), (403, 52623), (837, 25337), (1209, 17541), (1949, 10881), (3627, 5847)]