21344800

素因数分解:

$2^5\times 5^2\times {\mathrm{26681}}^1$

素因数の和:26701

約数の個数: 36

約数和(自身を含む): 52109946

約数和(自身を除く): 30765146

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26681, 53362, 106724, 133405, 213448, 266810, 426896, 533620, 667025, 853792, 1067240, 1334050, 2134480, 2668100, 4268960, 5336200, 10672400, 21344800]

約数ペア:

[(1, 21344800), (2, 10672400), (4, 5336200), (5, 4268960), (8, 2668100), (10, 2134480), (16, 1334050), (20, 1067240), (25, 853792), (32, 667025), (40, 533620), (50, 426896), (80, 266810), (100, 213448), (160, 133405), (200, 106724), (400, 53362), (800, 26681)]