21395982

素因数分解:

$2^1\times 3^1\times {\mathrm{439}}^1\times {\mathrm{8123}}^1$

素因数の和:8567

約数の個数: 16

約数和(自身を含む): 42894720

約数和(自身を除く): 21498738

約数列:

[1, 2, 3, 6, 439, 878, 1317, 2634, 8123, 16246, 24369, 48738, 3565997, 7131994, 10697991, 21395982]

約数ペア:

[(1, 21395982), (2, 10697991), (3, 7131994), (6, 3565997), (439, 48738), (878, 24369), (1317, 16246), (2634, 8123)]