21385606

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{18341}}^1$

素因数の和:18407

約数の個数: 16

約数和(自身を含む): 35656848

約数和(自身を除く): 14271242

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 18341, 36682, 201751, 403502, 972073, 1944146, 10692803, 21385606]

約数ペア:

[(1, 21385606), (2, 10692803), (11, 1944146), (22, 972073), (53, 403502), (106, 201751), (583, 36682), (1166, 18341)]