21564410

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{6287}}^1$

素因数の和:6315

約数の個数: 32

約数和(自身を含む): 45273600

約数和(自身を除く): 23709190

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 6287, 12574, 31435, 44009, 62870, 88018, 220045, 308063, 440090, 616126, 1540315, 2156441, 3080630, 4312882, 10782205, 21564410]

約数ペア:

[(1, 21564410), (2, 10782205), (5, 4312882), (7, 3080630), (10, 2156441), (14, 1540315), (35, 616126), (49, 440090), (70, 308063), (98, 220045), (245, 88018), (343, 62870), (490, 44009), (686, 31435), (1715, 12574), (3430, 6287)]