21986826

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{33619}}^1$

素因数の和:33733

約数の個数: 16

約数和(自身を含む): 44378400

約数和(自身を除く): 22391574

約数列:

[1, 2, 3, 6, 109, 218, 327, 654, 33619, 67238, 100857, 201714, 3664471, 7328942, 10993413, 21986826]

約数ペア:

[(1, 21986826), (2, 10993413), (3, 7328942), (6, 3664471), (109, 201714), (218, 100857), (327, 67238), (654, 33619)]