21052830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{701761}}^1$

素因数の和:701771

約数の個数: 16

約数和(自身を含む): 50526864

約数和(自身を除く): 29474034

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 701761, 1403522, 2105283, 3508805, 4210566, 7017610, 10526415, 21052830]

約数ペア:

[(1, 21052830), (2, 10526415), (3, 7017610), (5, 4210566), (6, 3508805), (10, 2105283), (15, 1403522), (30, 701761)]