21752871

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1553}}^1$

素因数の和:1615

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 14051289

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 1553, 2001, 4659, 4669, 10871, 14007, 32613, 35719, 45037, 107157, 135111, 250033, 315259, 750099, 945777, 1035851, 3107553, 7250957, 21752871]

約数ペア:

[(1, 21752871), (3, 7250957), (7, 3107553), (21, 1035851), (23, 945777), (29, 750099), (69, 315259), (87, 250033), (161, 135111), (203, 107157), (483, 45037), (609, 35719), (667, 32613), (1553, 14007), (2001, 10871), (4659, 4669)]