21083111

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7703}}^1$

素因数の和:7750

約数の個数: 16

約数和(自身を含む): 26625024

約数和(自身を除く): 5541913

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7703, 53921, 130951, 177169, 916657, 1240183, 3011873, 21083111]

約数ペア:

[(1, 21083111), (7, 3011873), (17, 1240183), (23, 916657), (119, 177169), (161, 130951), (391, 53921), (2737, 7703)]