21990648

素因数分解:

$2^3\times 3^1\times {\mathrm{463}}^1\times {\mathrm{1979}}^1$

素因数の和:2451

約数の個数: 32

約数和(自身を含む): 55123200

約数和(自身を除く): 33132552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 463, 926, 1389, 1852, 1979, 2778, 3704, 3958, 5556, 5937, 7916, 11112, 11874, 15832, 23748, 47496, 916277, 1832554, 2748831, 3665108, 5497662, 7330216, 10995324, 21990648]

約数ペア:

[(1, 21990648), (2, 10995324), (3, 7330216), (4, 5497662), (6, 3665108), (8, 2748831), (12, 1832554), (24, 916277), (463, 47496), (926, 23748), (1389, 15832), (1852, 11874), (1979, 11112), (2778, 7916), (3704, 5937), (3958, 5556)]