21230229

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 30768768

約数和(自身を除く): 9538539

約数列:

[1, 3, 17, 47, 51, 141, 289, 521, 799, 867, 1563, 2397, 8857, 13583, 24487, 26571, 40749, 73461, 150569, 416279, 451707, 1248837, 7076743, 21230229]

約数ペア:

[(1, 21230229), (3, 7076743), (17, 1248837), (47, 451707), (51, 416279), (141, 150569), (289, 73461), (521, 40749), (799, 26571), (867, 24487), (1563, 13583), (2397, 8857)]