21289116

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{26479}}^1$

素因数の和:26553

約数の個数: 24

約数和(自身を含む): 50417920

約数和(自身を除く): 29128804

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 26479, 52958, 79437, 105916, 158874, 317748, 1774093, 3548186, 5322279, 7096372, 10644558, 21289116]

約数ペア:

[(1, 21289116), (2, 10644558), (3, 7096372), (4, 5322279), (6, 3548186), (12, 1774093), (67, 317748), (134, 158874), (201, 105916), (268, 79437), (402, 52958), (804, 26479)]