21115848

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67679}}^1$

素因数の和:67701

約数の個数: 32

約数和(自身を含む): 56851200

約数和(自身を除く): 35735352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67679, 135358, 203037, 270716, 406074, 541432, 812148, 879827, 1624296, 1759654, 2639481, 3519308, 5278962, 7038616, 10557924, 21115848]

約数ペア:

[(1, 21115848), (2, 10557924), (3, 7038616), (4, 5278962), (6, 3519308), (8, 2639481), (12, 1759654), (13, 1624296), (24, 879827), (26, 812148), (39, 541432), (52, 406074), (78, 270716), (104, 203037), (156, 135358), (312, 67679)]