21053007

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41039}}^1$

素因数の和:41067

約数の個数: 16

約数和(自身を含む): 32832000

約数和(自身を除く): 11778993

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41039, 123117, 369351, 779741, 1108053, 2339223, 7017669, 21053007]

約数ペア:

[(1, 21053007), (3, 7017669), (9, 2339223), (19, 1108053), (27, 779741), (57, 369351), (171, 123117), (513, 41039)]