12041421

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 19568640

約数和(自身を除く): 7527219

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 293, 309, 399, 721, 879, 1957, 2051, 2163, 5567, 5871, 6153, 13699, 16701, 30179, 38969, 41097, 90537, 116907, 211253, 573401, 633759, 1720203, 4013807, 12041421]

約数ペア:

[(1, 12041421), (3, 4013807), (7, 1720203), (19, 633759), (21, 573401), (57, 211253), (103, 116907), (133, 90537), (293, 41097), (309, 38969), (399, 30179), (721, 16701), (879, 13699), (1957, 6153), (2051, 5871), (2163, 5567)]