21074155

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1439}}^1$

素因数の和:1574

約数の個数: 16

約数和(自身を含む): 26438400

約数和(自身を除く): 5364245

約数列:

[1, 5, 29, 101, 145, 505, 1439, 2929, 7195, 14645, 41731, 145339, 208655, 726695, 4214831, 21074155]

約数ペア:

[(1, 21074155), (5, 4214831), (29, 726695), (101, 208655), (145, 145339), (505, 41731), (1439, 14645), (2929, 7195)]