21709306

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{17257}}^1$

素因数の和:17313

約数の個数: 16

約数和(自身を含む): 35413416

約数和(自身を除く): 13704110

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 17257, 34514, 293369, 586738, 638509, 1277018, 10854653, 21709306]

約数ペア:

[(1, 21709306), (2, 10854653), (17, 1277018), (34, 638509), (37, 586738), (74, 293369), (629, 34514), (1258, 17257)]