21378061

素因数分解:

${\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 1906739

約数列:

[1, 17, 83, 109, 139, 1411, 1853, 2363, 9047, 11537, 15151, 153799, 196129, 257567, 1257533, 21378061]

約数ペア:

[(1, 21378061), (17, 1257533), (83, 257567), (109, 196129), (139, 153799), (1411, 15151), (1853, 11537), (2363, 9047)]