2051213493

素因数分解:

$3^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{118973}}^1$

素因数の和:119804

約数の個数: 16

約数和(自身を含む): 3129492096

約数和(自身を除く): 1078278603

約数列:

[1, 3, 7, 21, 821, 2463, 5747, 17241, 118973, 356919, 832811, 2498433, 97676833, 293030499, 683737831, 2051213493]

約数ペア:

[(1, 2051213493), (3, 683737831), (7, 293030499), (21, 97676833), (821, 2498433), (2463, 832811), (5747, 356919), (17241, 118973)]