21073676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 22391284

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 52, 62, 68, 124, 221, 403, 442, 527, 769, 806, 884, 1054, 1538, 1612, 2108, 3076, 6851, 9997, 13073, 13702, 19994, 23839, 26146, 27404, 39988, 47678, 52292, 95356, 169949, 309907, 339898, 405263, 619814, 679796, 810526, 1239628, 1621052, 5268419, 10536838, 21073676]

約数ペア:

[(1, 21073676), (2, 10536838), (4, 5268419), (13, 1621052), (17, 1239628), (26, 810526), (31, 679796), (34, 619814), (52, 405263), (62, 339898), (68, 309907), (124, 169949), (221, 95356), (403, 52292), (442, 47678), (527, 39988), (769, 27404), (806, 26146), (884, 23839), (1054, 19994), (1538, 13702), (1612, 13073), (2108, 9997), (3076, 6851)]