2821130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21701}}^1$

素因数の和:21721

約数の個数: 16

約数和(自身を含む): 5468904

約数和(自身を除く): 2647774

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 21701, 43402, 108505, 217010, 282113, 564226, 1410565, 2821130]

約数ペア:

[(1, 2821130), (2, 1410565), (5, 564226), (10, 282113), (13, 217010), (26, 108505), (65, 43402), (130, 21701)]