22213912

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 49904640

約数和(自身を除く): 27690728

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 71, 74, 142, 148, 151, 259, 284, 296, 302, 497, 518, 568, 604, 994, 1036, 1057, 1208, 1988, 2072, 2114, 2627, 3976, 4228, 5254, 5587, 8456, 10508, 10721, 11174, 18389, 21016, 21442, 22348, 36778, 39109, 42884, 44696, 73556, 75047, 78218, 85768, 147112, 150094, 156436, 300188, 312872, 396677, 600376, 793354, 1586708, 2776739, 3173416, 5553478, 11106956, 22213912]

約数ペア:

[(1, 22213912), (2, 11106956), (4, 5553478), (7, 3173416), (8, 2776739), (14, 1586708), (28, 793354), (37, 600376), (56, 396677), (71, 312872), (74, 300188), (142, 156436), (148, 150094), (151, 147112), (259, 85768), (284, 78218), (296, 75047), (302, 73556), (497, 44696), (518, 42884), (568, 39109), (604, 36778), (994, 22348), (1036, 21442), (1057, 21016), (1208, 18389), (1988, 11174), (2072, 10721), (2114, 10508), (2627, 8456), (3976, 5587), (4228, 5254)]