21239268

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{26417}}^1$

素因数の和:26491

約数の個数: 24

約数和(自身を含む): 50299872

約数和(自身を除く): 29060604

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 26417, 52834, 79251, 105668, 158502, 317004, 1769939, 3539878, 5309817, 7079756, 10619634, 21239268]

約数ペア:

[(1, 21239268), (2, 10619634), (3, 7079756), (4, 5309817), (6, 3539878), (12, 1769939), (67, 317004), (134, 158502), (201, 105668), (268, 79251), (402, 52834), (804, 26417)]