21847945

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{16871}}^1$

素因数の和:16920

約数の個数: 16

約数和(自身を含む): 30774528

約数和(自身を除く): 8926583

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 16871, 84355, 118097, 590485, 624227, 3121135, 4369589, 21847945]

約数ペア:

[(1, 21847945), (5, 4369589), (7, 3121135), (35, 624227), (37, 590485), (185, 118097), (259, 84355), (1295, 16871)]