21465686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22691}}^1$

素因数の和:22747

約数の個数: 16

約数和(自身を含む): 35944128

約数和(自身を除く): 14478442

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 22691, 45382, 249601, 499202, 975713, 1951426, 10732843, 21465686]

約数ペア:

[(1, 21465686), (2, 10732843), (11, 1951426), (22, 975713), (43, 499202), (86, 249601), (473, 45382), (946, 22691)]