21836256550

素因数分解:

$2^1\times 5^2\times {\mathrm{26729}}^1\times {\mathrm{16339}}^1$

素因数の和:43080

約数の個数: 24

約数和(自身を含む): 40619442600

約数和(自身を除く): 18783186050

約数列:

[1, 2, 5, 10, 25, 50, 16339, 26729, 32678, 53458, 81695, 133645, 163390, 267290, 408475, 668225, 816950, 1336450, 436725131, 873450262, 2183625655, 4367251310, 10918128275, 21836256550]

約数ペア:

[(1, 21836256550), (2, 10918128275), (5, 4367251310), (10, 2183625655), (25, 873450262), (50, 436725131), (16339, 1336450), (26729, 816950), (32678, 668225), (53458, 408475), (81695, 267290), (133645, 163390)]