421874439

素因数分解:

$3^1\times 7^1\times {\mathrm{2953}}^1\times {\mathrm{6803}}^1$

素因数の和:9766

約数の個数: 16

約数和(自身を含む): 643168512

約数和(自身を除く): 221294073

約数列:

[1, 3, 7, 21, 2953, 6803, 8859, 20409, 20671, 47621, 62013, 142863, 20089259, 60267777, 140624813, 421874439]

約数ペア:

[(1, 421874439), (3, 140624813), (7, 60267777), (21, 20089259), (2953, 142863), (6803, 62013), (8859, 47621), (20409, 20671)]