21291210724

素因数分解:

$2^2\times 7^1\times {\mathrm{1667}}^1\times {\mathrm{456149}}^1$

素因数の和:457827

約数の個数: 24

約数和(自身を含む): 42608059200

約数和(自身を除く): 21316848476

約数列:

[1, 2, 4, 7, 14, 28, 1667, 3334, 6668, 11669, 23338, 46676, 456149, 912298, 1824596, 3193043, 6386086, 12772172, 760400383, 1520800766, 3041601532, 5322802681, 10645605362, 21291210724]

約数ペア:

[(1, 21291210724), (2, 10645605362), (4, 5322802681), (7, 3041601532), (14, 1520800766), (28, 760400383), (1667, 12772172), (3334, 6386086), (6668, 3193043), (11669, 1824596), (23338, 912298), (46676, 456149)]