21634150

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5477}}^1$

素因数の和:5568

約数の個数: 24

約数和(自身を含む): 40756320

約数和(自身を除く): 19122170

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 5477, 10954, 27385, 54770, 136925, 273850, 432683, 865366, 2163415, 4326830, 10817075, 21634150]

約数ペア:

[(1, 21634150), (2, 10817075), (5, 4326830), (10, 2163415), (25, 865366), (50, 432683), (79, 273850), (158, 136925), (395, 54770), (790, 27385), (1975, 10954), (3950, 5477)]