21188624

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42719}}^1$

素因数の和:42758

約数の個数: 20

約数和(自身を含む): 42378240

約数和(自身を除く): 21189616

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42719, 85438, 170876, 341752, 683504, 1324289, 2648578, 5297156, 10594312, 21188624]

約数ペア:

[(1, 21188624), (2, 10594312), (4, 5297156), (8, 2648578), (16, 1324289), (31, 683504), (62, 341752), (124, 170876), (248, 85438), (496, 42719)]