210901978

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{74209}}^1$

素因数の和:74254

約数の個数: 24

約数和(自身を含む): 380697300

約数和(自身を除く): 169795322

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 74209, 148418, 519463, 1038926, 2152061, 3636241, 4304122, 7272482, 15064427, 30128854, 105450989, 210901978]

約数ペア:

[(1, 210901978), (2, 105450989), (7, 30128854), (14, 15064427), (29, 7272482), (49, 4304122), (58, 3636241), (98, 2152061), (203, 1038926), (406, 519463), (1421, 148418), (2842, 74209)]