21003610

素因数分解:

$2^1\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1709}}^1$

素因数の和:2945

約数の個数: 16

約数和(自身を含む): 37859400

約数和(自身を除く): 16855790

約数列:

[1, 2, 5, 10, 1229, 1709, 2458, 3418, 6145, 8545, 12290, 17090, 2100361, 4200722, 10501805, 21003610]

約数ペア:

[(1, 21003610), (2, 10501805), (5, 4200722), (10, 2100361), (1229, 17090), (1709, 12290), (2458, 8545), (3418, 6145)]