21211137791

素因数分解:

${\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{37967}}^1$

素因数の和:38230

約数の個数: 16

約数和(自身を含む): 22044524544

約数和(自身を除く): 833386753

約数列:

[1, 53, 83, 127, 4399, 6731, 10541, 37967, 558673, 2012251, 3151261, 4821809, 167016833, 255555877, 400210147, 21211137791]

約数ペア:

[(1, 21211137791), (53, 400210147), (83, 255555877), (127, 167016833), (4399, 4821809), (6731, 3151261), (10541, 2012251), (37967, 558673)]