21000984028

素因数分解:

$2^2\times {\mathrm{42863}}^1\times {\mathrm{122489}}^1$

素因数の和:165356

約数の個数: 12

約数和(自身を含む): 36752879520

約数和(自身を除く): 15751895492

約数列:

[1, 2, 4, 42863, 85726, 122489, 171452, 244978, 489956, 5250246007, 10500492014, 21000984028]

約数ペア:

[(1, 21000984028), (2, 10500492014), (4, 5250246007), (42863, 489956), (85726, 244978), (122489, 171452)]