21140688

素因数分解:

$2^4\times 3^1\times {\mathrm{440431}}^1$

素因数の和:440442

約数の個数: 20

約数和(自身を含む): 54613568

約数和(自身を除く): 33472880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440431, 880862, 1321293, 1761724, 2642586, 3523448, 5285172, 7046896, 10570344, 21140688]

約数ペア:

[(1, 21140688), (2, 10570344), (3, 7046896), (4, 5285172), (6, 3523448), (8, 2642586), (12, 1761724), (16, 1321293), (24, 880862), (48, 440431)]