21596529

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 29272320

約数和(自身を除く): 7675791

約数列:

[1, 3, 131, 179, 307, 393, 537, 921, 23449, 40217, 54953, 70347, 120651, 164859, 7198843, 21596529]

約数ペア:

[(1, 21596529), (3, 7198843), (131, 164859), (179, 120651), (307, 70347), (393, 54953), (537, 40217), (921, 23449)]