21341578

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{3217}}^1$

素因数の和:3357

約数の個数: 16

約数和(自身を含む): 33364224

約数和(自身を除く): 12022646

約数列:

[1, 2, 31, 62, 107, 214, 3217, 3317, 6434, 6634, 99727, 199454, 344219, 688438, 10670789, 21341578]

約数ペア:

[(1, 21341578), (2, 10670789), (31, 688438), (62, 344219), (107, 199454), (214, 99727), (3217, 6634), (3317, 6434)]