21202142

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6421}}^1$

素因数の和:6563

約数の個数: 16

約数和(自身を含む): 34524672

約数和(自身を除く): 13322530

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 6421, 12842, 83473, 166946, 815467, 1630934, 10601071, 21202142]

約数ペア:

[(1, 21202142), (2, 10601071), (13, 1630934), (26, 815467), (127, 166946), (254, 83473), (1651, 12842), (3302, 6421)]