21715696772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1639663}}^1$

素因数の和:1639728

約数の個数: 48

約数和(自身を含む): 48481585152

約数和(自身を除く): 26765888380

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 154, 172, 301, 308, 473, 602, 946, 1204, 1892, 3311, 6622, 13244, 1639663, 3279326, 6558652, 11477641, 18036293, 22955282, 36072586, 45910564, 70505509, 72145172, 126254051, 141011018, 252508102, 282022036, 493538563, 505016204, 775560599, 987077126, 1551121198, 1974154252, 3102242396, 5428924193, 10857848386, 21715696772]

約数ペア:

[(1, 21715696772), (2, 10857848386), (4, 5428924193), (7, 3102242396), (11, 1974154252), (14, 1551121198), (22, 987077126), (28, 775560599), (43, 505016204), (44, 493538563), (77, 282022036), (86, 252508102), (154, 141011018), (172, 126254051), (301, 72145172), (308, 70505509), (473, 45910564), (602, 36072586), (946, 22955282), (1204, 18036293), (1892, 11477641), (3311, 6558652), (6622, 3279326), (13244, 1639663)]