21573933

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{593}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 29405376

約数和(自身を除く): 7831443

約数列:

[1, 3, 67, 181, 201, 543, 593, 1779, 12127, 36381, 39731, 107333, 119193, 321999, 7191311, 21573933]

約数ペア:

[(1, 21573933), (3, 7191311), (67, 321999), (181, 119193), (201, 107333), (543, 39731), (593, 36381), (1779, 12127)]