2121974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:607

約数の個数: 16

約数和(自身を含む): 3402000

約数和(自身を除く): 1280026

約数列:

[1, 2, 17, 34, 139, 278, 449, 898, 2363, 4726, 7633, 15266, 62411, 124822, 1060987, 2121974]

約数ペア:

[(1, 2121974), (2, 1060987), (17, 124822), (34, 62411), (139, 15266), (278, 7633), (449, 4726), (898, 2363)]