21383964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84857}}^1$

素因数の和:84874

約数の個数: 36

約数和(自身を含む): 61776624

約数和(自身を除く): 40392660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84857, 169714, 254571, 339428, 509142, 593999, 763713, 1018284, 1187998, 1527426, 1781997, 2375996, 3054852, 3563994, 5345991, 7127988, 10691982, 21383964]

約数ペア:

[(1, 21383964), (2, 10691982), (3, 7127988), (4, 5345991), (6, 3563994), (7, 3054852), (9, 2375996), (12, 1781997), (14, 1527426), (18, 1187998), (21, 1018284), (28, 763713), (36, 593999), (42, 509142), (63, 339428), (84, 254571), (126, 169714), (252, 84857)]