21954549

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1747}}^1$

素因数の和:1880

約数の個数: 16

約数和(自身を含む): 30205440

約数和(自身を除く): 8250891

約数列:

[1, 3, 59, 71, 177, 213, 1747, 4189, 5241, 12567, 103073, 124037, 309219, 372111, 7318183, 21954549]

約数ペア:

[(1, 21954549), (3, 7318183), (59, 372111), (71, 309219), (177, 124037), (213, 103073), (1747, 12567), (4189, 5241)]