21180084612

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{717191}}^1$

素因数の和:717328

約数の個数: 48

約数和(自身を含む): 52050926592

約数和(自身を除く): 30870841980

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 107, 138, 214, 276, 321, 428, 642, 1284, 2461, 4922, 7383, 9844, 14766, 29532, 717191, 1434382, 2151573, 2868764, 4303146, 8606292, 16495393, 32990786, 49486179, 65981572, 76739437, 98972358, 153478874, 197944716, 230218311, 306957748, 460436622, 920873244, 1765007051, 3530014102, 5295021153, 7060028204, 10590042306, 21180084612]

約数ペア:

[(1, 21180084612), (2, 10590042306), (3, 7060028204), (4, 5295021153), (6, 3530014102), (12, 1765007051), (23, 920873244), (46, 460436622), (69, 306957748), (92, 230218311), (107, 197944716), (138, 153478874), (214, 98972358), (276, 76739437), (321, 65981572), (428, 49486179), (642, 32990786), (1284, 16495393), (2461, 8606292), (4922, 4303146), (7383, 2868764), (9844, 2151573), (14766, 1434382), (29532, 717191)]