21841587

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 32288256

約数和(自身を除く): 10446669

約数列:

[1, 3, 9, 97, 127, 197, 291, 381, 591, 873, 1143, 1773, 12319, 19109, 25019, 36957, 57327, 75057, 110871, 171981, 225171, 2426843, 7280529, 21841587]

約数ペア:

[(1, 21841587), (3, 7280529), (9, 2426843), (97, 225171), (127, 171981), (197, 110871), (291, 75057), (381, 57327), (591, 36957), (873, 25019), (1143, 19109), (1773, 12319)]