21738166

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15461}}^1$

素因数の和:15519

約数の個数: 16

約数和(自身を含む): 35253360

約数和(自身を除く): 13515194

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 15461, 30922, 293759, 572057, 587518, 1144114, 10869083, 21738166]

約数ペア:

[(1, 21738166), (2, 10869083), (19, 1144114), (37, 587518), (38, 572057), (74, 293759), (703, 30922), (1406, 15461)]