21000545439

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{4271}}^1\times {\mathrm{71261}}^1$

素因数の和:75558

約数の個数: 16

約数和(自身を含む): 29225401344

約数和(自身を除く): 8224855905

約数列:

[1, 3, 23, 69, 4271, 12813, 71261, 98233, 213783, 294699, 1639003, 4917009, 304355731, 913067193, 7000181813, 21000545439]

約数ペア:

[(1, 21000545439), (3, 7000181813), (23, 913067193), (69, 304355731), (4271, 4917009), (12813, 1639003), (71261, 294699), (98233, 213783)]