21280674

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{52937}}^1$

素因数の和:53009

約数の個数: 16

約数和(自身を含む): 43197408

約数和(自身を除く): 21916734

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 52937, 105874, 158811, 317622, 3546779, 7093558, 10640337, 21280674]

約数ペア:

[(1, 21280674), (2, 10640337), (3, 7093558), (6, 3546779), (67, 317622), (134, 158811), (201, 105874), (402, 52937)]