21059982

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{6763}}^1$

素因数の和:6944

約数の個数: 24

約数和(自身を含む): 45900504

約数和(自身を除く): 24840522

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 6763, 13526, 20289, 40578, 60867, 121734, 1169999, 2339998, 3509997, 7019994, 10529991, 21059982]

約数ペア:

[(1, 21059982), (2, 10529991), (3, 7019994), (6, 3509997), (9, 2339998), (18, 1169999), (173, 121734), (346, 60867), (519, 40578), (1038, 20289), (1557, 13526), (3114, 6763)]