21863507

素因数分解:

${\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:298

約数の個数: 16

約数和(自身を含む): 23265792

約数和(自身を除く): 1402285

約数列:

[1, 47, 53, 67, 131, 2491, 3149, 3551, 6157, 6943, 8777, 166897, 326321, 412519, 465181, 21863507]

約数ペア:

[(1, 21863507), (47, 465181), (53, 412519), (67, 326321), (131, 166897), (2491, 8777), (3149, 6943), (3551, 6157)]