21492588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{443}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 54302976

約数和(自身を除く): 32810388

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 311, 443, 622, 886, 933, 1244, 1329, 1772, 1866, 2658, 3732, 4043, 5316, 5759, 8086, 11518, 12129, 16172, 17277, 23036, 24258, 34554, 48516, 69108, 137773, 275546, 413319, 551092, 826638, 1653276, 1791049, 3582098, 5373147, 7164196, 10746294, 21492588]

約数ペア:

[(1, 21492588), (2, 10746294), (3, 7164196), (4, 5373147), (6, 3582098), (12, 1791049), (13, 1653276), (26, 826638), (39, 551092), (52, 413319), (78, 275546), (156, 137773), (311, 69108), (443, 48516), (622, 34554), (886, 24258), (933, 23036), (1244, 17277), (1329, 16172), (1772, 12129), (1866, 11518), (2658, 8086), (3732, 5759), (4043, 5316)]