21495614

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{5101}}^1$

素因数の和:5160

約数の個数: 24

約数和(自身を含む): 38387448

約数和(自身を除く): 16891834

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 5101, 10202, 35707, 71414, 219343, 249949, 438686, 499898, 1535401, 3070802, 10747807, 21495614]

約数ペア:

[(1, 21495614), (2, 10747807), (7, 3070802), (14, 1535401), (43, 499898), (49, 438686), (86, 249949), (98, 219343), (301, 71414), (602, 35707), (2107, 10202), (4214, 5101)]