21146657

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2141}}^1$

素因数の和:2248

約数の個数: 16

約数和(自身を含む): 25909632

約数和(自身を除く): 4762975

約数列:

[1, 7, 17, 83, 119, 581, 1411, 2141, 9877, 14987, 36397, 177703, 254779, 1243921, 3020951, 21146657]

約数ペア:

[(1, 21146657), (7, 3020951), (17, 1243921), (83, 254779), (119, 177703), (581, 36397), (1411, 14987), (2141, 9877)]