21633723

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{14057}}^1$

素因数の和:14088

約数の個数: 20

約数和(自身を含む): 34020360

約数和(自身を除く): 12386637

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 14057, 42171, 126513, 267083, 379539, 801249, 1138617, 2403747, 7211241, 21633723]

約数ペア:

[(1, 21633723), (3, 7211241), (9, 2403747), (19, 1138617), (27, 801249), (57, 379539), (81, 267083), (171, 126513), (513, 42171), (1539, 14057)]