21000359626

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{13033}}^1\times {\mathrm{4657}}^1$

素因数の和:17865

約数の個数: 16

約数和(自身を含む): 31691858184

約数和(自身を除く): 10691498558

約数列:

[1, 2, 173, 346, 4657, 9314, 13033, 26066, 805661, 1611322, 2254709, 4509418, 60694681, 121389362, 10500179813, 21000359626]

約数ペア:

[(1, 21000359626), (2, 10500179813), (173, 121389362), (346, 60694681), (4657, 4509418), (9314, 2254709), (13033, 1611322), (26066, 805661)]