21465050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{25253}}^1$

素因数の和:25282

約数の個数: 24

約数和(自身を含む): 42275196

約数和(自身を除く): 20810146

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 25253, 50506, 126265, 252530, 429301, 631325, 858602, 1262650, 2146505, 4293010, 10732525, 21465050]

約数ペア:

[(1, 21465050), (2, 10732525), (5, 4293010), (10, 2146505), (17, 1262650), (25, 858602), (34, 631325), (50, 429301), (85, 252530), (170, 126265), (425, 50506), (850, 25253)]