21716118

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{28057}}^1$

素因数の和:28108

約数の個数: 24

約数和(自身を含む): 48147528

約数和(自身を除く): 26431410

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 28057, 56114, 84171, 168342, 252513, 505026, 1206451, 2412902, 3619353, 7238706, 10858059, 21716118]

約数ペア:

[(1, 21716118), (2, 10858059), (3, 7238706), (6, 3619353), (9, 2412902), (18, 1206451), (43, 505026), (86, 252513), (129, 168342), (258, 84171), (387, 56114), (774, 28057)]