21280344

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{6379}}^1$

素因数の和:6527

約数の個数: 32

約数和(自身を含む): 53592000

約数和(自身を除く): 32311656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 6379, 12758, 19137, 25516, 38274, 51032, 76548, 153096, 886681, 1773362, 2660043, 3546724, 5320086, 7093448, 10640172, 21280344]

約数ペア:

[(1, 21280344), (2, 10640172), (3, 7093448), (4, 5320086), (6, 3546724), (8, 2660043), (12, 1773362), (24, 886681), (139, 153096), (278, 76548), (417, 51032), (556, 38274), (834, 25516), (1112, 19137), (1668, 12758), (3336, 6379)]