21000948059

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4354333}}^1$

素因数の和:4354406

約数の個数: 16

約数和(自身を含む): 26335012032

約数和(自身を除く): 5334063973

約数列:

[1, 7, 13, 53, 91, 371, 689, 4823, 4354333, 30480331, 56606329, 230779649, 396244303, 1615457543, 3000135437, 21000948059]

約数ペア:

[(1, 21000948059), (7, 3000135437), (13, 1615457543), (53, 396244303), (91, 230779649), (371, 56606329), (689, 30480331), (4823, 4354333)]