21757908

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2543}}^1$

素因数の和:2604

約数の個数: 48

約数和(自身を含む): 54706176

約数和(自身を除く): 32948268

約数列:

[1, 2, 3, 4, 6, 12, 23, 31, 46, 62, 69, 92, 93, 124, 138, 186, 276, 372, 713, 1426, 2139, 2543, 2852, 4278, 5086, 7629, 8556, 10172, 15258, 30516, 58489, 78833, 116978, 157666, 175467, 233956, 236499, 315332, 350934, 472998, 701868, 945996, 1813159, 3626318, 5439477, 7252636, 10878954, 21757908]

約数ペア:

[(1, 21757908), (2, 10878954), (3, 7252636), (4, 5439477), (6, 3626318), (12, 1813159), (23, 945996), (31, 701868), (46, 472998), (62, 350934), (69, 315332), (92, 236499), (93, 233956), (124, 175467), (138, 157666), (186, 116978), (276, 78833), (372, 58489), (713, 30516), (1426, 15258), (2139, 10172), (2543, 8556), (2852, 7629), (4278, 5086)]