21000912

素因数分解:

$2^4\times 3^1\times {\mathrm{437519}}^1$

素因数の和:437530

約数の個数: 20

約数和(自身を含む): 54252480

約数和(自身を除く): 33251568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 437519, 875038, 1312557, 1750076, 2625114, 3500152, 5250228, 7000304, 10500456, 21000912]

約数ペア:

[(1, 21000912), (2, 10500456), (3, 7000304), (4, 5250228), (6, 3500152), (8, 2625114), (12, 1750076), (16, 1312557), (24, 875038), (48, 437519)]