21354542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7643}}^1$

素因数の和:7783

約数の個数: 16

約数和(自身を含む): 35223552

約数和(自身を除く): 13869010

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7643, 15286, 84073, 168146, 970661, 1941322, 10677271, 21354542]

約数ペア:

[(1, 21354542), (2, 10677271), (11, 1941322), (22, 970661), (127, 168146), (254, 84073), (1397, 15286), (2794, 7643)]