21161042

素因数分解:

$2^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 37488000

約数和(自身を除く): 16326958

約数列:

[1, 2, 7, 14, 49, 98, 109, 218, 283, 343, 566, 686, 763, 1526, 1981, 3962, 5341, 10682, 13867, 27734, 30847, 37387, 61694, 74774, 97069, 194138, 215929, 431858, 1511503, 3023006, 10580521, 21161042]

約数ペア:

[(1, 21161042), (2, 10580521), (7, 3023006), (14, 1511503), (49, 431858), (98, 215929), (109, 194138), (218, 97069), (283, 74774), (343, 61694), (566, 37387), (686, 30847), (763, 27734), (1526, 13867), (1981, 10682), (3962, 5341)]