21902938

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{2039}}^1$

素因数の和:2213

約数の個数: 16

約数和(自身を含む): 33929280

約数和(自身を除く): 12026342

約数列:

[1, 2, 41, 82, 131, 262, 2039, 4078, 5371, 10742, 83599, 167198, 267109, 534218, 10951469, 21902938]

約数ペア:

[(1, 21902938), (2, 10951469), (41, 534218), (82, 267109), (131, 167198), (262, 83599), (2039, 10742), (4078, 5371)]