21891807866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 35499340800

約数和(自身を除く): 13607532934

約数列:

[1, 2, 19, 38, 109, 137, 173, 218, 223, 274, 346, 446, 2071, 2603, 3287, 4142, 4237, 5206, 6574, 8474, 14933, 18857, 23701, 24307, 29866, 30551, 37714, 38579, 47402, 48614, 61102, 77158, 283727, 358283, 450319, 461833, 567454, 580469, 716566, 733001, 900638, 923666, 1160938, 1466002, 2583409, 3330059, 4205111, 5166818, 5285323, 6660118, 8410222, 10570646, 49084771, 63271121, 79897109, 98169542, 100421137, 126542242, 159794218, 200842274, 576100207, 1152200414, 10945903933, 21891807866]

約数ペア:

[(1, 21891807866), (2, 10945903933), (19, 1152200414), (38, 576100207), (109, 200842274), (137, 159794218), (173, 126542242), (218, 100421137), (223, 98169542), (274, 79897109), (346, 63271121), (446, 49084771), (2071, 10570646), (2603, 8410222), (3287, 6660118), (4142, 5285323), (4237, 5166818), (5206, 4205111), (6574, 3330059), (8474, 2583409), (14933, 1466002), (18857, 1160938), (23701, 923666), (24307, 900638), (29866, 733001), (30551, 716566), (37714, 580469), (38579, 567454), (47402, 461833), (48614, 450319), (61102, 358283), (77158, 283727)]