21047508

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4463}}^1$

素因数の和:4604

約数の個数: 36

約数和(自身を含む): 53621568

約数和(自身を除く): 32574060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4463, 4716, 8926, 13389, 17852, 26778, 40167, 53556, 80334, 160668, 584653, 1169306, 1753959, 2338612, 3507918, 5261877, 7015836, 10523754, 21047508]

約数ペア:

[(1, 21047508), (2, 10523754), (3, 7015836), (4, 5261877), (6, 3507918), (9, 2338612), (12, 1753959), (18, 1169306), (36, 584653), (131, 160668), (262, 80334), (393, 53556), (524, 40167), (786, 26778), (1179, 17852), (1572, 13389), (2358, 8926), (4463, 4716)]