21080494085

素因数分解:

$5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{761441}}^1$

素因数の和:761573

約数の個数: 24

約数和(自身を含む): 29687100696

約数和(自身を除く): 8606606611

約数列:

[1, 5, 7, 35, 49, 113, 245, 565, 791, 3955, 5537, 27685, 761441, 3807205, 5330087, 26650435, 37310609, 86042833, 186553045, 430214165, 602299831, 3011499155, 4216098817, 21080494085]

約数ペア:

[(1, 21080494085), (5, 4216098817), (7, 3011499155), (35, 602299831), (49, 430214165), (113, 186553045), (245, 86042833), (565, 37310609), (791, 26650435), (3955, 5330087), (5537, 3807205), (27685, 761441)]