21876892

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{743}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 40684896

約数和(自身を除く): 18808004

約数列:

[1, 2, 4, 17, 34, 68, 433, 743, 866, 1486, 1732, 2972, 7361, 12631, 14722, 25262, 29444, 50524, 321719, 643438, 1286876, 5469223, 10938446, 21876892]

約数ペア:

[(1, 21876892), (2, 10938446), (4, 5469223), (17, 1286876), (34, 643438), (68, 321719), (433, 50524), (743, 29444), (866, 25262), (1486, 14722), (1732, 12631), (2972, 7361)]