21230147218

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{2399}}^1$

素因数の和:2815

約数の個数: 64

約数和(自身を含む): 38320128000

約数和(自身を除く): 17089980782

約数列:

[1, 2, 7, 14, 29, 58, 71, 142, 203, 307, 406, 497, 614, 994, 2059, 2149, 2399, 4118, 4298, 4798, 8903, 14413, 16793, 17806, 21797, 28826, 33586, 43594, 62321, 69571, 124642, 139142, 152579, 170329, 305158, 340658, 486997, 632113, 736493, 973994, 1192303, 1264226, 1472986, 2384606, 4424791, 4939541, 5155451, 8849582, 9879082, 10310902, 21358297, 34576787, 42716594, 52291003, 69153574, 104582006, 149508079, 299016158, 366037021, 732074042, 1516439087, 3032878174, 10615073609, 21230147218]

約数ペア:

[(1, 21230147218), (2, 10615073609), (7, 3032878174), (14, 1516439087), (29, 732074042), (58, 366037021), (71, 299016158), (142, 149508079), (203, 104582006), (307, 69153574), (406, 52291003), (497, 42716594), (614, 34576787), (994, 21358297), (2059, 10310902), (2149, 9879082), (2399, 8849582), (4118, 5155451), (4298, 4939541), (4798, 4424791), (8903, 2384606), (14413, 1472986), (16793, 1264226), (17806, 1192303), (21797, 973994), (28826, 736493), (33586, 632113), (43594, 486997), (62321, 340658), (69571, 305158), (124642, 170329), (139142, 152579)]