21118330

素因数分解:

$2^1\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{1741}}^1$

素因数の和:2961

約数の個数: 16

約数和(自身を含む): 38066184

約数和(自身を除く): 16947854

約数列:

[1, 2, 5, 10, 1213, 1741, 2426, 3482, 6065, 8705, 12130, 17410, 2111833, 4223666, 10559165, 21118330]

約数ペア:

[(1, 21118330), (2, 10559165), (5, 4223666), (10, 2111833), (1213, 17410), (1741, 12130), (2426, 8705), (3482, 6065)]