21387027457

素因数分解:

${\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1\times {\mathrm{31973}}^1$

素因数の和:32352

約数の個数: 16

約数和(自身を含む): 22591549440

約数和(自身を除く): 1204521983

約数列:

[1, 23, 127, 229, 2921, 5267, 29083, 31973, 668909, 735379, 4060571, 7321817, 93393133, 168401791, 929870759, 21387027457]

約数ペア:

[(1, 21387027457), (23, 929870759), (127, 168401791), (229, 93393133), (2921, 7321817), (5267, 4060571), (29083, 735379), (31973, 668909)]