21449751

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1117}}^1$

素因数の和:1330

約数の個数: 16

約数和(自身を含む): 29568864

約数和(自身を除く): 8119113

約数列:

[1, 3, 37, 111, 173, 519, 1117, 3351, 6401, 19203, 41329, 123987, 193241, 579723, 7149917, 21449751]

約数ペア:

[(1, 21449751), (3, 7149917), (37, 579723), (111, 193241), (173, 123987), (519, 41329), (1117, 19203), (3351, 6401)]