21511692

素因数分解:

$2^2\times 3^2\times {\mathrm{491}}^1\times {\mathrm{1217}}^1$

素因数の和:1718

約数の個数: 36

約数和(自身を含む): 54532296

約数和(自身を除く): 33020604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 491, 982, 1217, 1473, 1964, 2434, 2946, 3651, 4419, 4868, 5892, 7302, 8838, 10953, 14604, 17676, 21906, 43812, 597547, 1195094, 1792641, 2390188, 3585282, 5377923, 7170564, 10755846, 21511692]

約数ペア:

[(1, 21511692), (2, 10755846), (3, 7170564), (4, 5377923), (6, 3585282), (9, 2390188), (12, 1792641), (18, 1195094), (36, 597547), (491, 43812), (982, 21906), (1217, 17676), (1473, 14604), (1964, 10953), (2434, 8838), (2946, 7302), (3651, 5892), (4419, 4868)]