21104254617

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{277757}}^1$

素因数の和:277853

約数の個数: 32

約数和(自身を含む): 31286661120

約数和(自身を除く): 10182406503

約数列:

[1, 3, 19, 31, 43, 57, 93, 129, 589, 817, 1333, 1767, 2451, 3999, 25327, 75981, 277757, 833271, 5277383, 8610467, 11943551, 15832149, 25831401, 35830653, 163598873, 226927469, 370250081, 490796619, 680782407, 1110750243, 7034751539, 21104254617]

約数ペア:

[(1, 21104254617), (3, 7034751539), (19, 1110750243), (31, 680782407), (43, 490796619), (57, 370250081), (93, 226927469), (129, 163598873), (589, 35830653), (817, 25831401), (1333, 15832149), (1767, 11943551), (2451, 8610467), (3999, 5277383), (25327, 833271), (75981, 277757)]