21537295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2609}}^1$

素因数の和:2754

約数の個数: 16

約数和(自身を含む): 28062720

約数和(自身を除く): 6525425

約数列:

[1, 5, 13, 65, 127, 635, 1651, 2609, 8255, 13045, 33917, 169585, 331343, 1656715, 4307459, 21537295]

約数ペア:

[(1, 21537295), (5, 4307459), (13, 1656715), (65, 331343), (127, 169585), (635, 33917), (1651, 13045), (2609, 8255)]