21952489

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 24437952

約数和(自身を除く): 2485463

約数列:

[1, 13, 43, 173, 227, 559, 2249, 2951, 7439, 9761, 39271, 96707, 126893, 510523, 1688653, 21952489]

約数ペア:

[(1, 21952489), (13, 1688653), (43, 510523), (173, 126893), (227, 96707), (559, 39271), (2249, 9761), (2951, 7439)]