21164061121

素因数分解:

$7^1\times {\mathrm{241}}^1\times {\mathrm{659}}^1\times {\mathrm{19037}}^1$

素因数の和:19944

約数の個数: 16

約数和(自身を含む): 24325994880

約数和(自身を除く): 3161933759

約数列:

[1, 7, 241, 659, 1687, 4613, 19037, 133259, 158819, 1111733, 4587917, 12545383, 32115419, 87817681, 3023437303, 21164061121]

約数ペア:

[(1, 21164061121), (7, 3023437303), (241, 87817681), (659, 32115419), (1687, 12545383), (4613, 4587917), (19037, 1111733), (133259, 158819)]