21378316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{13669}}^1$

素因数の和:13713

約数の個数: 24

約数和(自身を含む): 41338080

約数和(自身を除く): 19959764

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 13669, 27338, 54676, 232373, 314387, 464746, 628774, 929492, 1257548, 5344579, 10689158, 21378316]

約数ペア:

[(1, 21378316), (2, 10689158), (4, 5344579), (17, 1257548), (23, 929492), (34, 628774), (46, 464746), (68, 314387), (92, 232373), (391, 54676), (782, 27338), (1564, 13669)]