21261891849

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1\times {\mathrm{36527}}^1$

素因数の和:37141

約数の個数: 32

約数和(自身を含む): 31980994560

約数和(自身を除く): 10719102711

約数列:

[1, 3, 11, 31, 33, 93, 341, 569, 1023, 1707, 6259, 17639, 18777, 36527, 52917, 109581, 194029, 401797, 582087, 1132337, 1205391, 3397011, 12455707, 20783863, 37367121, 62351589, 228622493, 644299753, 685867479, 1932899259, 7087297283, 21261891849]

約数ペア:

[(1, 21261891849), (3, 7087297283), (11, 1932899259), (31, 685867479), (33, 644299753), (93, 228622493), (341, 62351589), (569, 37367121), (1023, 20783863), (1707, 12455707), (6259, 3397011), (17639, 1205391), (18777, 1132337), (36527, 582087), (52917, 401797), (109581, 194029)]