21634544

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12637}}^1$

素因数の和:12752

約数の個数: 20

約数和(自身を含む): 42312024

約数和(自身を除く): 20677480

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12637, 25274, 50548, 101096, 202192, 1352159, 2704318, 5408636, 10817272, 21634544]

約数ペア:

[(1, 21634544), (2, 10817272), (4, 5408636), (8, 2704318), (16, 1352159), (107, 202192), (214, 101096), (428, 50548), (856, 25274), (1712, 12637)]