21924195

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1789}}^1$

素因数の和:1859

約数の個数: 32

約数和(自身を含む): 37804800

約数和(自身を除く): 15880605

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 1789, 2451, 4085, 5367, 8945, 12255, 26835, 33991, 76927, 101973, 169955, 230781, 384635, 509865, 1153905, 1461613, 4384839, 7308065, 21924195]

約数ペア:

[(1, 21924195), (3, 7308065), (5, 4384839), (15, 1461613), (19, 1153905), (43, 509865), (57, 384635), (95, 230781), (129, 169955), (215, 101973), (285, 76927), (645, 33991), (817, 26835), (1789, 12255), (2451, 8945), (4085, 5367)]