21386616

素因数分解:

$2^3\times 3^1\times {\mathrm{277}}^1\times {\mathrm{3217}}^1$

素因数の和:3503

約数の個数: 32

約数和(自身を含む): 53676240

約数和(自身を除く): 32289624

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 277, 554, 831, 1108, 1662, 2216, 3217, 3324, 6434, 6648, 9651, 12868, 19302, 25736, 38604, 77208, 891109, 1782218, 2673327, 3564436, 5346654, 7128872, 10693308, 21386616]

約数ペア:

[(1, 21386616), (2, 10693308), (3, 7128872), (4, 5346654), (6, 3564436), (8, 2673327), (12, 1782218), (24, 891109), (277, 77208), (554, 38604), (831, 25736), (1108, 19302), (1662, 12868), (2216, 9651), (3217, 6648), (3324, 6434)]