21063835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{599}}^1$

素因数の和:1158

約数の個数: 16

約数和(自身を含む): 27316800

約数和(自身を除く): 6252965

約数列:

[1, 5, 13, 65, 541, 599, 2705, 2995, 7033, 7787, 35165, 38935, 324059, 1620295, 4212767, 21063835]

約数ペア:

[(1, 21063835), (5, 4212767), (13, 1620295), (65, 324059), (541, 38935), (599, 35165), (2705, 7787), (2995, 7033)]