21419940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{356999}}^1$

素因数の和:357011

約数の個数: 24

約数和(自身を含む): 59976000

約数和(自身を除く): 38556060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 356999, 713998, 1070997, 1427996, 1784995, 2141994, 3569990, 4283988, 5354985, 7139980, 10709970, 21419940]

約数ペア:

[(1, 21419940), (2, 10709970), (3, 7139980), (4, 5354985), (5, 4283988), (6, 3569990), (10, 2141994), (12, 1784995), (15, 1427996), (20, 1070997), (30, 713998), (60, 356999)]