21198394

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{36931}}^1$

素因数の和:36981

約数の個数: 16

約数和(自身を含む): 37227456

約数和(自身を除く): 16029062

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 36931, 73862, 258517, 517034, 1514171, 3028342, 10599197, 21198394]

約数ペア:

[(1, 21198394), (2, 10599197), (7, 3028342), (14, 1514171), (41, 517034), (82, 258517), (287, 73862), (574, 36931)]