21660567

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{1871}}^1$

素因数の和:2118

約数の個数: 16

約数和(自身を含む): 30730752

約数和(自身を除く): 9070185

約数列:

[1, 3, 17, 51, 227, 681, 1871, 3859, 5613, 11577, 31807, 95421, 424717, 1274151, 7220189, 21660567]

約数ペア:

[(1, 21660567), (3, 7220189), (17, 1274151), (51, 424717), (227, 95421), (681, 31807), (1871, 11577), (3859, 5613)]