21830487

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{54713}}^1$

素因数の和:54742

約数の個数: 16

約数和(自身を含む): 35016960

約数和(自身を除く): 13186473

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 54713, 164139, 382991, 1039547, 1148973, 3118641, 7276829, 21830487]

約数ペア:

[(1, 21830487), (3, 7276829), (7, 3118641), (19, 1148973), (21, 1039547), (57, 382991), (133, 164139), (399, 54713)]