21710072

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{51203}}^1$

素因数の和:51262

約数の個数: 16

約数和(自身を含む): 41475240

約数和(自身を除く): 19765168

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 51203, 102406, 204812, 409624, 2713759, 5427518, 10855036, 21710072]

約数ペア:

[(1, 21710072), (2, 10855036), (4, 5427518), (8, 2713759), (53, 409624), (106, 204812), (212, 102406), (424, 51203)]