21806758

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{1493}}^1$

素因数の和:1671

約数の個数: 16

約数和(自身を含む): 33525360

約数和(自身を除く): 11718602

約数列:

[1, 2, 67, 109, 134, 218, 1493, 2986, 7303, 14606, 100031, 162737, 200062, 325474, 10903379, 21806758]

約数ペア:

[(1, 21806758), (2, 10903379), (67, 325474), (109, 200062), (134, 162737), (218, 100031), (1493, 14606), (2986, 7303)]