21686696

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{881}}^1$

素因数の和:1085

約数の個数: 32

約数和(自身を含む): 43341480

約数和(自身を除く): 21654784

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 181, 362, 724, 881, 1448, 1762, 3077, 3524, 6154, 7048, 12308, 14977, 24616, 29954, 59908, 119816, 159461, 318922, 637844, 1275688, 2710837, 5421674, 10843348, 21686696]

約数ペア:

[(1, 21686696), (2, 10843348), (4, 5421674), (8, 2710837), (17, 1275688), (34, 637844), (68, 318922), (136, 159461), (181, 119816), (362, 59908), (724, 29954), (881, 24616), (1448, 14977), (1762, 12308), (3077, 7048), (3524, 6154)]