21356709

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38069}}^1$

素因数の和:38100

約数の個数: 16

約数和(自身を含む): 32892480

約数和(自身を除く): 11535771

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 38069, 114207, 418759, 647173, 1256277, 1941519, 7118903, 21356709]

約数ペア:

[(1, 21356709), (3, 7118903), (11, 1941519), (17, 1256277), (33, 647173), (51, 418759), (187, 114207), (561, 38069)]