21315056

素因数分解:

$2^4\times 7^1\times {\mathrm{190313}}^1$

素因数の和:190328

約数の個数: 20

約数和(自身を含む): 47197872

約数和(自身を除く): 25882816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 190313, 380626, 761252, 1332191, 1522504, 2664382, 3045008, 5328764, 10657528, 21315056]

約数ペア:

[(1, 21315056), (2, 10657528), (4, 5328764), (7, 3045008), (8, 2664382), (14, 1522504), (16, 1332191), (28, 761252), (56, 380626), (112, 190313)]