21589370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4787}}^1$

素因数の和:4846

約数の個数: 32

約数和(自身を含む): 43436736

約数和(自身を除く): 21847366

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 4787, 9574, 23935, 47870, 52657, 105314, 196267, 263285, 392534, 526570, 981335, 1962670, 2158937, 4317874, 10794685, 21589370]

約数ペア:

[(1, 21589370), (2, 10794685), (5, 4317874), (10, 2158937), (11, 1962670), (22, 981335), (41, 526570), (55, 392534), (82, 263285), (110, 196267), (205, 105314), (410, 52657), (451, 47870), (902, 23935), (2255, 9574), (4510, 4787)]