21429415

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1861}}^1$

素因数の和:1927

約数の個数: 24

約数和(自身を含む): 30566592

約数和(自身を除く): 9137177

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 1645, 1861, 2303, 9305, 11515, 13027, 65135, 87467, 91189, 437335, 455945, 612269, 3061345, 4285883, 21429415]

約数ペア:

[(1, 21429415), (5, 4285883), (7, 3061345), (35, 612269), (47, 455945), (49, 437335), (235, 91189), (245, 87467), (329, 65135), (1645, 13027), (1861, 11515), (2303, 9305)]