21304518

素因数分解:

$2^1\times 3^1\times {\mathrm{991}}^1\times {\mathrm{3583}}^1$

素因数の和:4579

約数の個数: 16

約数和(自身を含む): 42663936

約数和(自身を除く): 21359418

約数列:

[1, 2, 3, 6, 991, 1982, 2973, 3583, 5946, 7166, 10749, 21498, 3550753, 7101506, 10652259, 21304518]

約数ペア:

[(1, 21304518), (2, 10652259), (3, 7101506), (6, 3550753), (991, 21498), (1982, 10749), (2973, 7166), (3583, 5946)]