21951131

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1882

約数の個数: 16

約数和(自身を含む): 25049088

約数和(自身を除く): 3097957

約数列:

[1, 17, 23, 31, 391, 527, 713, 1811, 12121, 30787, 41653, 56141, 708101, 954397, 1291243, 21951131]

約数ペア:

[(1, 21951131), (17, 1291243), (23, 954397), (31, 708101), (391, 56141), (527, 41653), (713, 30787), (1811, 12121)]