21689092404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{503}}^1\times {\mathrm{1231}}^1$

素因数の和:1890

約数の個数: 144

約数和(自身を含む): 63284981760

約数和(自身を除く): 41595889356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 503, 556, 834, 973, 1006, 1231, 1251, 1509, 1668, 1946, 2012, 2462, 2502, 2919, 3018, 3521, 3693, 3892, 4527, 4924, 5004, 5838, 6036, 7042, 7386, 8617, 8757, 9054, 10563, 11079, 11676, 14084, 14772, 17234, 17514, 18108, 21126, 22158, 25851, 31689, 34468, 35028, 42252, 44316, 51702, 63378, 69917, 77553, 103404, 126756, 139834, 155106, 171109, 209751, 279668, 310212, 342218, 419502, 489419, 513327, 619193, 629253, 684436, 839004, 978838, 1026654, 1197763, 1238386, 1258506, 1468257, 1539981, 1857579, 1957676, 2053308, 2395526, 2476772, 2517012, 2936514, 3079962, 3593289, 3715158, 4334351, 4404771, 4791052, 5572737, 5873028, 6159924, 7186578, 7430316, 8668702, 8809542, 10779867, 11145474, 13003053, 14373156, 17337404, 17619084, 21559734, 22290948, 26006106, 39009159, 43119468, 52012212, 78018318, 86067827, 156036636, 172135654, 258203481, 344271308, 516406962, 602474789, 774610443, 1032813924, 1204949578, 1549220886, 1807424367, 2409899156, 3098441772, 3614848734, 5422273101, 7229697468, 10844546202, 21689092404]

約数ペア:

[(1, 21689092404), (2, 10844546202), (3, 7229697468), (4, 5422273101), (6, 3614848734), (7, 3098441772), (9, 2409899156), (12, 1807424367), (14, 1549220886), (18, 1204949578), (21, 1032813924), (28, 774610443), (36, 602474789), (42, 516406962), (63, 344271308), (84, 258203481), (126, 172135654), (139, 156036636), (252, 86067827), (278, 78018318), (417, 52012212), (503, 43119468), (556, 39009159), (834, 26006106), (973, 22290948), (1006, 21559734), (1231, 17619084), (1251, 17337404), (1509, 14373156), (1668, 13003053), (1946, 11145474), (2012, 10779867), (2462, 8809542), (2502, 8668702), (2919, 7430316), (3018, 7186578), (3521, 6159924), (3693, 5873028), (3892, 5572737), (4527, 4791052), (4924, 4404771), (5004, 4334351), (5838, 3715158), (6036, 3593289), (7042, 3079962), (7386, 2936514), (8617, 2517012), (8757, 2476772), (9054, 2395526), (10563, 2053308), (11079, 1957676), (11676, 1857579), (14084, 1539981), (14772, 1468257), (17234, 1258506), (17514, 1238386), (18108, 1197763), (21126, 1026654), (22158, 978838), (25851, 839004), (31689, 684436), (34468, 629253), (35028, 619193), (42252, 513327), (44316, 489419), (51702, 419502), (63378, 342218), (69917, 310212), (77553, 279668), (103404, 209751), (126756, 171109), (139834, 155106)]