21652018

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3719}}^1$

素因数の和:3833

約数の個数: 16

約数和(自身を含む): 33747840

約数和(自身を除く): 12095822

約数列:

[1, 2, 41, 71, 82, 142, 2911, 3719, 5822, 7438, 152479, 264049, 304958, 528098, 10826009, 21652018]

約数ペア:

[(1, 21652018), (2, 10826009), (41, 528098), (71, 304958), (82, 264049), (142, 152479), (2911, 7438), (3719, 5822)]