21527605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1523}}^1$

素因数の和:1796

約数の個数: 16

約数和(自身を含む): 28309824

約数和(自身を除く): 6782219

約数列:

[1, 5, 11, 55, 257, 1285, 1523, 2827, 7615, 14135, 16753, 83765, 391411, 1957055, 4305521, 21527605]

約数ペア:

[(1, 21527605), (5, 4305521), (11, 1957055), (55, 391411), (257, 83765), (1285, 16753), (1523, 14135), (2827, 7615)]