21523365

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16493}}^1$

素因数の和:16533

約数の個数: 24

約数和(自身を含む): 38595960

約数和(自身を除く): 17072595

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 16493, 49479, 82465, 148437, 247395, 478297, 742185, 1434891, 2391485, 4304673, 7174455, 21523365]

約数ペア:

[(1, 21523365), (3, 7174455), (5, 4304673), (9, 2391485), (15, 1434891), (29, 742185), (45, 478297), (87, 247395), (145, 148437), (261, 82465), (435, 49479), (1305, 16493)]