21767222

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:715

約数の個数: 16

約数和(自身を含む): 33130944

約数和(自身を除く): 11363722

約数列:

[1, 2, 131, 251, 262, 331, 502, 662, 32881, 43361, 65762, 83081, 86722, 166162, 10883611, 21767222]

約数ペア:

[(1, 21767222), (2, 10883611), (131, 166162), (251, 86722), (262, 83081), (331, 65762), (502, 43361), (662, 32881)]