21612542

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 18200578

約数列:

[1, 2, 7, 14, 17, 34, 71, 119, 142, 238, 497, 994, 1207, 1279, 2414, 2558, 8449, 8953, 16898, 17906, 21743, 43486, 90809, 152201, 181618, 304402, 635663, 1271326, 1543753, 3087506, 10806271, 21612542]

約数ペア:

[(1, 21612542), (2, 10806271), (7, 3087506), (14, 1543753), (17, 1271326), (34, 635663), (71, 304402), (119, 181618), (142, 152201), (238, 90809), (497, 43486), (994, 21743), (1207, 17906), (1279, 16898), (2414, 8953), (2558, 8449)]