2021176257

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 3075874560

約数和(自身を除く): 1054698303

約数列:

[1, 3, 17, 29, 43, 51, 61, 87, 129, 183, 493, 521, 731, 1037, 1247, 1479, 1563, 1769, 2193, 2623, 3111, 3741, 5307, 7869, 8857, 15109, 21199, 22403, 26571, 30073, 31781, 44591, 45327, 63597, 67209, 76067, 90219, 95343, 133773, 228201, 256853, 380851, 540277, 649687, 770559, 921649, 1142553, 1293139, 1366583, 1620831, 1949061, 2764947, 3879417, 4099749, 11044679, 15668033, 23231911, 33134037, 39630907, 47004099, 69695733, 118892721, 673725419, 2021176257]

約数ペア:

[(1, 2021176257), (3, 673725419), (17, 118892721), (29, 69695733), (43, 47004099), (51, 39630907), (61, 33134037), (87, 23231911), (129, 15668033), (183, 11044679), (493, 4099749), (521, 3879417), (731, 2764947), (1037, 1949061), (1247, 1620831), (1479, 1366583), (1563, 1293139), (1769, 1142553), (2193, 921649), (2623, 770559), (3111, 649687), (3741, 540277), (5307, 380851), (7869, 256853), (8857, 228201), (15109, 133773), (21199, 95343), (22403, 90219), (26571, 76067), (30073, 67209), (31781, 63597), (44591, 45327)]