21916089

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{1601}}^1$

素因数の和:1639

約数の個数: 30

約数和(自身を含む): 35473086

約数和(自身を除く): 13556997

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 351, 507, 1053, 1521, 1601, 4563, 4803, 13689, 14409, 20813, 43227, 62439, 129681, 187317, 270569, 561951, 811707, 1685853, 2435121, 7305363, 21916089]

約数ペア:

[(1, 21916089), (3, 7305363), (9, 2435121), (13, 1685853), (27, 811707), (39, 561951), (81, 270569), (117, 187317), (169, 129681), (351, 62439), (507, 43227), (1053, 20813), (1521, 14409), (1601, 13689), (4563, 4803)]