21225461999

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{5393}}^1\times {\mathrm{7919}}^1$

素因数の和:13390

約数の個数: 16

約数和(自身を含む): 24606996480

約数和(自身を除く): 3381534481

約数列:

[1, 7, 71, 497, 5393, 7919, 37751, 55433, 382903, 562249, 2680321, 3935743, 42707167, 298950169, 3032208857, 21225461999]

約数ペア:

[(1, 21225461999), (7, 3032208857), (71, 298950169), (497, 42707167), (5393, 3935743), (7919, 2680321), (37751, 562249), (55433, 382903)]