21702400

素因数分解:

$2^8\times 5^2\times {\mathrm{3391}}^1$

素因数の和:3417

約数の個数: 54

約数和(自身を含む): 53732672

約数和(自身を除く): 32030272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 3391, 6400, 6782, 13564, 16955, 27128, 33910, 54256, 67820, 84775, 108512, 135640, 169550, 217024, 271280, 339100, 434048, 542560, 678200, 868096, 1085120, 1356400, 2170240, 2712800, 4340480, 5425600, 10851200, 21702400]

約数ペア:

[(1, 21702400), (2, 10851200), (4, 5425600), (5, 4340480), (8, 2712800), (10, 2170240), (16, 1356400), (20, 1085120), (25, 868096), (32, 678200), (40, 542560), (50, 434048), (64, 339100), (80, 271280), (100, 217024), (128, 169550), (160, 135640), (200, 108512), (256, 84775), (320, 67820), (400, 54256), (640, 33910), (800, 27128), (1280, 16955), (1600, 13564), (3200, 6782), (3391, 6400)]