21031810075

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{211}}^1\times {\mathrm{7537}}^1$

素因数の和:7804

約数の個数: 36

約数和(自身を含む): 27395474008

約数和(自身を除く): 6363663933

約数列:

[1, 5, 23, 25, 115, 211, 529, 575, 1055, 2645, 4853, 5275, 7537, 13225, 24265, 37685, 111619, 121325, 173351, 188425, 558095, 866755, 1590307, 2790475, 3987073, 4333775, 7951535, 19935365, 36577061, 39757675, 99676825, 182885305, 841272403, 914426525, 4206362015, 21031810075]

約数ペア:

[(1, 21031810075), (5, 4206362015), (23, 914426525), (25, 841272403), (115, 182885305), (211, 99676825), (529, 39757675), (575, 36577061), (1055, 19935365), (2645, 7951535), (4853, 4333775), (5275, 3987073), (7537, 2790475), (13225, 1590307), (24265, 866755), (37685, 558095), (111619, 188425), (121325, 173351)]