21637018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5987}}^1$

素因数の和:6141

約数の個数: 16

約数和(自身を含む): 35209440

約数和(自身を除く): 13572422

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5987, 11974, 77831, 155662, 832193, 1664386, 10818509, 21637018]

約数ペア:

[(1, 21637018), (2, 10818509), (13, 1664386), (26, 832193), (139, 155662), (278, 77831), (1807, 11974), (3614, 5987)]