21604535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{587}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 27560736

約数和(自身を除く): 5956201

約数列:

[1, 5, 17, 85, 433, 587, 2165, 2935, 7361, 9979, 36805, 49895, 254171, 1270855, 4320907, 21604535]

約数ペア:

[(1, 21604535), (5, 4320907), (17, 1270855), (85, 254171), (433, 49895), (587, 36805), (2165, 9979), (2935, 7361)]