21486842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{19219}}^1$

素因数の和:19277

約数の個数: 16

約数和(自身を含む): 35518560

約数和(自身を除く): 14031718

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 19219, 38438, 249847, 499694, 826417, 1652834, 10743421, 21486842]

約数ペア:

[(1, 21486842), (2, 10743421), (13, 1652834), (26, 826417), (43, 499694), (86, 249847), (559, 38438), (1118, 19219)]