2021281759

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{6581}}^1$

素因数の和:6723

約数の個数: 32

約数和(自身を含む): 2559081600

約数和(自身を除く): 537799841

約数列:

[1, 7, 17, 29, 89, 119, 203, 493, 623, 1513, 2581, 3451, 6581, 10591, 18067, 43877, 46067, 111877, 190849, 307139, 585709, 783139, 1335943, 3244433, 4099963, 9957053, 16985561, 22711031, 69699371, 118898927, 288754537, 2021281759]

約数ペア:

[(1, 2021281759), (7, 288754537), (17, 118898927), (29, 69699371), (89, 22711031), (119, 16985561), (203, 9957053), (493, 4099963), (623, 3244433), (1513, 1335943), (2581, 783139), (3451, 585709), (6581, 307139), (10591, 190849), (18067, 111877), (43877, 46067)]