21313712

素因数分解:

$2^4\times 7^1\times {\mathrm{190301}}^1$

素因数の和:190316

約数の個数: 20

約数和(自身を含む): 47194896

約数和(自身を除く): 25881184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 190301, 380602, 761204, 1332107, 1522408, 2664214, 3044816, 5328428, 10656856, 21313712]

約数ペア:

[(1, 21313712), (2, 10656856), (4, 5328428), (7, 3044816), (8, 2664214), (14, 1522408), (16, 1332107), (28, 761204), (56, 380602), (112, 190301)]