21879464

素因数分解:

$2^3\times {\mathrm{83}}^2\times {\mathrm{397}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 41628810

約数和(自身を除く): 19749346

約数列:

[1, 2, 4, 8, 83, 166, 332, 397, 664, 794, 1588, 3176, 6889, 13778, 27556, 32951, 55112, 65902, 131804, 263608, 2734933, 5469866, 10939732, 21879464]

約数ペア:

[(1, 21879464), (2, 10939732), (4, 5469866), (8, 2734933), (83, 263608), (166, 131804), (332, 65902), (397, 55112), (664, 32951), (794, 27556), (1588, 13778), (3176, 6889)]