21764877

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 31968000

約数和(自身を除く): 10203123

約数列:

[1, 3, 23, 29, 69, 73, 87, 149, 219, 447, 667, 1679, 2001, 2117, 3427, 4321, 5037, 6351, 10281, 10877, 12963, 32631, 48691, 99383, 146073, 250171, 298149, 315433, 750513, 946299, 7254959, 21764877]

約数ペア:

[(1, 21764877), (3, 7254959), (23, 946299), (29, 750513), (69, 315433), (73, 298149), (87, 250171), (149, 146073), (219, 99383), (447, 48691), (667, 32631), (1679, 12963), (2001, 10877), (2117, 10281), (3427, 6351), (4321, 5037)]