21313258

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{1933}}^1$

素因数の和:2121

約数の個数: 16

約数和(自身を含む): 33071400

約数和(自身を除く): 11758142

約数列:

[1, 2, 37, 74, 149, 298, 1933, 3866, 5513, 11026, 71521, 143042, 288017, 576034, 10656629, 21313258]

約数ペア:

[(1, 21313258), (2, 10656629), (37, 576034), (74, 288017), (149, 143042), (298, 71521), (1933, 11026), (3866, 5513)]