21035451

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{3449}}^1$

素因数の和:3578

約数の個数: 16

約数和(自身を含む): 29808000

約数和(自身を除く): 8772549

約数列:

[1, 3, 19, 57, 107, 321, 2033, 3449, 6099, 10347, 65531, 196593, 369043, 1107129, 7011817, 21035451]

約数ペア:

[(1, 21035451), (3, 7011817), (19, 1107129), (57, 369043), (107, 196593), (321, 65531), (2033, 10347), (3449, 6099)]