21312388

素因数分解:

$2^2\times {\mathrm{181}}^1\times {\mathrm{29437}}^1$

素因数の和:29622

約数の個数: 12

約数和(自身を含む): 37504012

約数和(自身を除く): 16191624

約数列:

[1, 2, 4, 181, 362, 724, 29437, 58874, 117748, 5328097, 10656194, 21312388]

約数ペア:

[(1, 21312388), (2, 10656194), (4, 5328097), (181, 117748), (362, 58874), (724, 29437)]