21850842

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{280139}}^1$

素因数の和:280157

約数の個数: 16

約数和(自身を含む): 47063520

約数和(自身を除く): 25212678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 280139, 560278, 840417, 1680834, 3641807, 7283614, 10925421, 21850842]

約数ペア:

[(1, 21850842), (2, 10925421), (3, 7283614), (6, 3641807), (13, 1680834), (26, 840417), (39, 560278), (78, 280139)]