21302802

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1619}}^1$

素因数の和:1687

約数の個数: 48

約数和(自身を含む): 50038560

約数和(自身を除く): 28735758

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 43, 51, 86, 102, 129, 153, 258, 306, 387, 731, 774, 1462, 1619, 2193, 3238, 4386, 4857, 6579, 9714, 13158, 14571, 27523, 29142, 55046, 69617, 82569, 139234, 165138, 208851, 247707, 417702, 495414, 626553, 1183489, 1253106, 2366978, 3550467, 7100934, 10651401, 21302802]

約数ペア:

[(1, 21302802), (2, 10651401), (3, 7100934), (6, 3550467), (9, 2366978), (17, 1253106), (18, 1183489), (34, 626553), (43, 495414), (51, 417702), (86, 247707), (102, 208851), (129, 165138), (153, 139234), (258, 82569), (306, 69617), (387, 55046), (731, 29142), (774, 27523), (1462, 14571), (1619, 13158), (2193, 9714), (3238, 6579), (4386, 4857)]