21792800

素因数分解:

$2^5\times 5^2\times {\mathrm{27241}}^1$

素因数の和:27261

約数の個数: 36

約数和(自身を含む): 53203626

約数和(自身を除く): 31410826

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 27241, 54482, 108964, 136205, 217928, 272410, 435856, 544820, 681025, 871712, 1089640, 1362050, 2179280, 2724100, 4358560, 5448200, 10896400, 21792800]

約数ペア:

[(1, 21792800), (2, 10896400), (4, 5448200), (5, 4358560), (8, 2724100), (10, 2179280), (16, 1362050), (20, 1089640), (25, 871712), (32, 681025), (40, 544820), (50, 435856), (80, 272410), (100, 217928), (160, 136205), (200, 108964), (400, 54482), (800, 27241)]