21897400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{15641}}^1$

素因数の和:15664

約数の個数: 48

約数和(自身を含む): 58188240

約数和(自身を除く): 36290840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 15641, 31282, 62564, 78205, 109487, 125128, 156410, 218974, 312820, 391025, 437948, 547435, 625640, 782050, 875896, 1094870, 1564100, 2189740, 2737175, 3128200, 4379480, 5474350, 10948700, 21897400]

約数ペア:

[(1, 21897400), (2, 10948700), (4, 5474350), (5, 4379480), (7, 3128200), (8, 2737175), (10, 2189740), (14, 1564100), (20, 1094870), (25, 875896), (28, 782050), (35, 625640), (40, 547435), (50, 437948), (56, 391025), (70, 312820), (100, 218974), (140, 156410), (175, 125128), (200, 109487), (280, 78205), (350, 62564), (700, 31282), (1400, 15641)]