21421167260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1\times {\mathrm{79769}}^1$

素因数の和:80270

約数の個数: 48

約数和(自身を含む): 46636732800

約数和(自身を除く): 25215565540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 463, 580, 926, 1852, 2315, 4630, 9260, 13427, 26854, 53708, 67135, 79769, 134270, 159538, 268540, 319076, 398845, 797690, 1595380, 2313301, 4626602, 9253204, 11566505, 23133010, 36933047, 46266020, 73866094, 147732188, 184665235, 369330470, 738660940, 1071058363, 2142116726, 4284233452, 5355291815, 10710583630, 21421167260]

約数ペア:

[(1, 21421167260), (2, 10710583630), (4, 5355291815), (5, 4284233452), (10, 2142116726), (20, 1071058363), (29, 738660940), (58, 369330470), (116, 184665235), (145, 147732188), (290, 73866094), (463, 46266020), (580, 36933047), (926, 23133010), (1852, 11566505), (2315, 9253204), (4630, 4626602), (9260, 2313301), (13427, 1595380), (26854, 797690), (53708, 398845), (67135, 319076), (79769, 268540), (134270, 159538)]