21512664

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{10303}}^1$

素因数の和:10344

約数の個数: 48

約数和(自身を含む): 60278400

約数和(自身を除く): 38765736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 10303, 20606, 30909, 41212, 61818, 82424, 92727, 123636, 185454, 247272, 298787, 370908, 597574, 741816, 896361, 1195148, 1792722, 2390296, 2689083, 3585444, 5378166, 7170888, 10756332, 21512664]

約数ペア:

[(1, 21512664), (2, 10756332), (3, 7170888), (4, 5378166), (6, 3585444), (8, 2689083), (9, 2390296), (12, 1792722), (18, 1195148), (24, 896361), (29, 741816), (36, 597574), (58, 370908), (72, 298787), (87, 247272), (116, 185454), (174, 123636), (232, 92727), (261, 82424), (348, 61818), (522, 41212), (696, 30909), (1044, 20606), (2088, 10303)]