21940963

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 25933824

約数和(自身を除く): 3992861

約数列:

[1, 11, 31, 37, 47, 341, 407, 517, 1147, 1369, 1457, 1739, 12617, 15059, 16027, 19129, 42439, 53909, 64343, 466829, 592999, 707773, 1994633, 21940963]

約数ペア:

[(1, 21940963), (11, 1994633), (31, 707773), (37, 592999), (47, 466829), (341, 64343), (407, 53909), (517, 42439), (1147, 19129), (1369, 16027), (1457, 15059), (1739, 12617)]