21801117

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{1291}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 31400768

約数和(自身を除く): 9599651

約数列:

[1, 3, 13, 39, 433, 1291, 1299, 3873, 5629, 16783, 16887, 50349, 559003, 1677009, 7267039, 21801117]

約数ペア:

[(1, 21801117), (3, 7267039), (13, 1677009), (39, 559003), (433, 50349), (1291, 16887), (1299, 16783), (3873, 5629)]