21132213

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{4583}}^1$

素因数の和:4668

約数の個数: 16

約数和(自身を含む): 29704320

約数和(自身を除く): 8572107

約数列:

[1, 3, 29, 53, 87, 159, 1537, 4583, 4611, 13749, 132907, 242899, 398721, 728697, 7044071, 21132213]

約数ペア:

[(1, 21132213), (3, 7044071), (29, 728697), (53, 398721), (87, 242899), (159, 132907), (1537, 13749), (4583, 4611)]