2181599

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 2688000

約数和(自身を除く): 506401

約数列:

[1, 7, 19, 47, 133, 329, 349, 893, 2443, 6251, 6631, 16403, 46417, 114821, 311657, 2181599]

約数ペア:

[(1, 2181599), (7, 311657), (19, 114821), (47, 46417), (133, 16403), (329, 6631), (349, 6251), (893, 2443)]