21494270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4583}}^1$

素因数の和:4664

約数の個数: 32

約数和(自身を含む): 44886528

約数和(自身を除く): 23392258

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4583, 4690, 9166, 22915, 32081, 45830, 64162, 160405, 307061, 320810, 614122, 1535305, 2149427, 3070610, 4298854, 10747135, 21494270]

約数ペア:

[(1, 21494270), (2, 10747135), (5, 4298854), (7, 3070610), (10, 2149427), (14, 1535305), (35, 614122), (67, 320810), (70, 307061), (134, 160405), (335, 64162), (469, 45830), (670, 32081), (938, 22915), (2345, 9166), (4583, 4690)]