21199650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1789}}^1$

素因数の和:1883

約数の個数: 48

約数和(自身を含む): 53270400

約数和(自身を除く): 32070750

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 79, 150, 158, 237, 395, 474, 790, 1185, 1789, 1975, 2370, 3578, 3950, 5367, 5925, 8945, 10734, 11850, 17890, 26835, 44725, 53670, 89450, 134175, 141331, 268350, 282662, 423993, 706655, 847986, 1413310, 2119965, 3533275, 4239930, 7066550, 10599825, 21199650]

約数ペア:

[(1, 21199650), (2, 10599825), (3, 7066550), (5, 4239930), (6, 3533275), (10, 2119965), (15, 1413310), (25, 847986), (30, 706655), (50, 423993), (75, 282662), (79, 268350), (150, 141331), (158, 134175), (237, 89450), (395, 53670), (474, 44725), (790, 26835), (1185, 17890), (1789, 11850), (1975, 10734), (2370, 8945), (3578, 5925), (3950, 5367)]