21130722

素因数分解:

$2^1\times 3^2\times {\mathrm{397}}^1\times {\mathrm{2957}}^1$

素因数の和:3362

約数の個数: 24

約数和(自身を含む): 45914076

約数和(自身を除く): 24783354

約数列:

[1, 2, 3, 6, 9, 18, 397, 794, 1191, 2382, 2957, 3573, 5914, 7146, 8871, 17742, 26613, 53226, 1173929, 2347858, 3521787, 7043574, 10565361, 21130722]

約数ペア:

[(1, 21130722), (2, 10565361), (3, 7043574), (6, 3521787), (9, 2347858), (18, 1173929), (397, 53226), (794, 26613), (1191, 17742), (2382, 8871), (2957, 7146), (3573, 5914)]