21170308287

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{2089}}^1\times {\mathrm{63737}}^1$

素因数の和:65882

約数の個数: 16

約数和(自身を含む): 28773882720

約数和(自身を除く): 7603574433

約数列:

[1, 3, 53, 159, 2089, 6267, 63737, 110717, 191211, 332151, 3378061, 10134183, 133146593, 399439779, 7056769429, 21170308287]

約数ペア:

[(1, 21170308287), (3, 7056769429), (53, 399439779), (159, 133146593), (2089, 10134183), (6267, 3378061), (63737, 332151), (110717, 191211)]