21312087

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{1063}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 29315328

約数和(自身を除く): 8003241

約数列:

[1, 3, 41, 123, 163, 489, 1063, 3189, 6683, 20049, 43583, 130749, 173269, 519807, 7104029, 21312087]

約数ペア:

[(1, 21312087), (3, 7104029), (41, 519807), (123, 173269), (163, 130749), (489, 43583), (1063, 20049), (3189, 6683)]