21804394

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{719}}^1$

素因数の和:1037

約数の個数: 16

約数和(自身を含む): 33436800

約数和(自身を除く): 11632406

約数列:

[1, 2, 59, 118, 257, 514, 719, 1438, 15163, 30326, 42421, 84842, 184783, 369566, 10902197, 21804394]

約数ペア:

[(1, 21804394), (2, 10902197), (59, 369566), (118, 184783), (257, 84842), (514, 42421), (719, 30326), (1438, 15163)]