21555796

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{883}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 40098240

約数和(自身を除く): 18542444

約数列:

[1, 2, 4, 17, 34, 68, 359, 718, 883, 1436, 1766, 3532, 6103, 12206, 15011, 24412, 30022, 60044, 316997, 633994, 1267988, 5388949, 10777898, 21555796]

約数ペア:

[(1, 21555796), (2, 10777898), (4, 5388949), (17, 1267988), (34, 633994), (68, 316997), (359, 60044), (718, 30022), (883, 24412), (1436, 15011), (1766, 12206), (3532, 6103)]