21921294

素因数分解:

$2^1\times 3^1\times {\mathrm{569}}^1\times {\mathrm{6421}}^1$

素因数の和:6995

約数の個数: 16

約数和(自身を含む): 43926480

約数和(自身を除く): 22005186

約数列:

[1, 2, 3, 6, 569, 1138, 1707, 3414, 6421, 12842, 19263, 38526, 3653549, 7307098, 10960647, 21921294]

約数ペア:

[(1, 21921294), (2, 10960647), (3, 7307098), (6, 3653549), (569, 38526), (1138, 19263), (1707, 12842), (3414, 6421)]