21225170

素因数分解:

$2^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{2579}}^1$

素因数の和:3409

約数の個数: 16

約数和(自身を含む): 38266560

約数和(自身を除く): 17041390

約数列:

[1, 2, 5, 10, 823, 1646, 2579, 4115, 5158, 8230, 12895, 25790, 2122517, 4245034, 10612585, 21225170]

約数ペア:

[(1, 21225170), (2, 10612585), (5, 4245034), (10, 2122517), (823, 25790), (1646, 12895), (2579, 8230), (4115, 5158)]