21812618968

素因数分解:

$2^3\times 7^1\times {\mathrm{18661}}^1\times {\mathrm{20873}}^1$

素因数の和:39547

約数の個数: 32

約数和(自身を含む): 46746070560

約数和(自身を除く): 24933451592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 18661, 20873, 37322, 41746, 74644, 83492, 130627, 146111, 149288, 166984, 261254, 292222, 522508, 584444, 1045016, 1168888, 389511053, 779022106, 1558044212, 2726577371, 3116088424, 5453154742, 10906309484, 21812618968]

約数ペア:

[(1, 21812618968), (2, 10906309484), (4, 5453154742), (7, 3116088424), (8, 2726577371), (14, 1558044212), (28, 779022106), (56, 389511053), (18661, 1168888), (20873, 1045016), (37322, 584444), (41746, 522508), (74644, 292222), (83492, 261254), (130627, 166984), (146111, 149288)]