21082686

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1487}}^1$

素因数の和:1648

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 23914434

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 139, 278, 417, 834, 1487, 2363, 2974, 4461, 4726, 7089, 8922, 14178, 25279, 50558, 75837, 151674, 206693, 413386, 620079, 1240158, 3513781, 7027562, 10541343, 21082686]

約数ペア:

[(1, 21082686), (2, 10541343), (3, 7027562), (6, 3513781), (17, 1240158), (34, 620079), (51, 413386), (102, 206693), (139, 151674), (278, 75837), (417, 50558), (834, 25279), (1487, 14178), (2363, 8922), (2974, 7089), (4461, 4726)]