21755613

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1889}}^1$

素因数の和:2252

約数の個数: 16

約数和(自身を含む): 31752000

約数和(自身を除く): 9996387

約数列:

[1, 3, 11, 33, 349, 1047, 1889, 3839, 5667, 11517, 20779, 62337, 659261, 1977783, 7251871, 21755613]

約数ペア:

[(1, 21755613), (3, 7251871), (11, 1977783), (33, 659261), (349, 62337), (1047, 20779), (1889, 11517), (3839, 5667)]