21282350

素因数分解:

$2^1\times 5^2\times {\mathrm{499}}^1\times {\mathrm{853}}^1$

素因数の和:1364

約数の個数: 24

約数和(自身を含む): 39711000

約数和(自身を除く): 18428650

約数列:

[1, 2, 5, 10, 25, 50, 499, 853, 998, 1706, 2495, 4265, 4990, 8530, 12475, 21325, 24950, 42650, 425647, 851294, 2128235, 4256470, 10641175, 21282350]

約数ペア:

[(1, 21282350), (2, 10641175), (5, 4256470), (10, 2128235), (25, 851294), (50, 425647), (499, 42650), (853, 24950), (998, 21325), (1706, 12475), (2495, 8530), (4265, 4990)]