21585816

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42829}}^1$

素因数の和:42848

約数の個数: 48

約数和(自身を含む): 66814800

約数和(自身を除く): 45228984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42829, 85658, 128487, 171316, 256974, 299803, 342632, 385461, 513948, 599606, 770922, 899409, 1027896, 1199212, 1541844, 1798818, 2398424, 2698227, 3083688, 3597636, 5396454, 7195272, 10792908, 21585816]

約数ペア:

[(1, 21585816), (2, 10792908), (3, 7195272), (4, 5396454), (6, 3597636), (7, 3083688), (8, 2698227), (9, 2398424), (12, 1798818), (14, 1541844), (18, 1199212), (21, 1027896), (24, 899409), (28, 770922), (36, 599606), (42, 513948), (56, 385461), (63, 342632), (72, 299803), (84, 256974), (126, 171316), (168, 128487), (252, 85658), (504, 42829)]