21152803510

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29792681}}^1$

素因数の和:29792759

約数の個数: 16

約数和(自身を含む): 38611315872

約数和(自身を除く): 17458512362

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 29792681, 59585362, 148963405, 297926810, 2115280351, 4230560702, 10576401755, 21152803510]

約数ペア:

[(1, 21152803510), (2, 10576401755), (5, 4230560702), (10, 2115280351), (71, 297926810), (142, 148963405), (355, 59585362), (710, 29792681)]