21059844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134999}}^1$

素因数の和:135019

約数の個数: 24

約数和(自身を含む): 52920000

約数和(自身を除く): 31860156

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134999, 269998, 404997, 539996, 809994, 1619988, 1754987, 3509974, 5264961, 7019948, 10529922, 21059844]

約数ペア:

[(1, 21059844), (2, 10529922), (3, 7019948), (4, 5264961), (6, 3509974), (12, 1754987), (13, 1619988), (26, 809994), (39, 539996), (52, 404997), (78, 269998), (156, 134999)]