21084564369

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{1270231}}^1$

素因数の和:1270748

約数の個数: 16

約数和(自身を含む): 30729452544

約数和(自身を除く): 9644888175

約数列:

[1, 3, 11, 33, 503, 1509, 5533, 16599, 1270231, 3810693, 13972541, 41917623, 638926193, 1916778579, 7028188123, 21084564369]

約数ペア:

[(1, 21084564369), (3, 7028188123), (11, 1916778579), (33, 638926193), (503, 41917623), (1509, 13972541), (5533, 3810693), (16599, 1270231)]