21461042

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{971}}^1$

素因数の和:1273

約数の個数: 16

約数和(自身を含む): 33102432

約数和(自身を除く): 11641390

約数列:

[1, 2, 43, 86, 257, 514, 971, 1942, 11051, 22102, 41753, 83506, 249547, 499094, 10730521, 21461042]

約数ペア:

[(1, 21461042), (2, 10730521), (43, 499094), (86, 249547), (257, 83506), (514, 41753), (971, 22102), (1942, 11051)]