21407334

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{274453}}^1$

素因数の和:274471

約数の個数: 16

約数和(自身を含む): 46108272

約数和(自身を除く): 24700938

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 274453, 548906, 823359, 1646718, 3567889, 7135778, 10703667, 21407334]

約数ペア:

[(1, 21407334), (2, 10703667), (3, 7135778), (6, 3567889), (13, 1646718), (26, 823359), (39, 548906), (78, 274453)]