21682400

素因数分解:

$2^5\times 5^2\times {\mathrm{27103}}^1$

素因数の和:27123

約数の個数: 36

約数和(自身を含む): 52934112

約数和(自身を除く): 31251712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 27103, 54206, 108412, 135515, 216824, 271030, 433648, 542060, 677575, 867296, 1084120, 1355150, 2168240, 2710300, 4336480, 5420600, 10841200, 21682400]

約数ペア:

[(1, 21682400), (2, 10841200), (4, 5420600), (5, 4336480), (8, 2710300), (10, 2168240), (16, 1355150), (20, 1084120), (25, 867296), (32, 677575), (40, 542060), (50, 433648), (80, 271030), (100, 216824), (160, 135515), (200, 108412), (400, 54206), (800, 27103)]