21405432

素因数分解:

$2^3\times 3^1\times {\mathrm{891893}}^1$

素因数の和:891902

約数の個数: 16

約数和(自身を含む): 53513640

約数和(自身を除く): 32108208

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 891893, 1783786, 2675679, 3567572, 5351358, 7135144, 10702716, 21405432]

約数ペア:

[(1, 21405432), (2, 10702716), (3, 7135144), (4, 5351358), (6, 3567572), (8, 2675679), (12, 1783786), (24, 891893)]