21310239952

素因数分解:

$2^4\times {\mathrm{2089}}^1\times {\mathrm{637573}}^1$

素因数の和:639670

約数の個数: 20

約数和(自身を含む): 41308419460

約数和(自身を除く): 19998179508

約数列:

[1, 2, 4, 8, 16, 2089, 4178, 8356, 16712, 33424, 637573, 1275146, 2550292, 5100584, 10201168, 1331889997, 2663779994, 5327559988, 10655119976, 21310239952]

約数ペア:

[(1, 21310239952), (2, 10655119976), (4, 5327559988), (8, 2663779994), (16, 1331889997), (2089, 10201168), (4178, 5100584), (8356, 2550292), (16712, 1275146), (33424, 637573)]