21309654

素因数分解:

$2^1\times 3^1\times {\mathrm{379}}^1\times {\mathrm{9371}}^1$

素因数の和:9755

約数の個数: 16

約数和(自身を含む): 42736320

約数和(自身を除く): 21426666

約数列:

[1, 2, 3, 6, 379, 758, 1137, 2274, 9371, 18742, 28113, 56226, 3551609, 7103218, 10654827, 21309654]

約数ペア:

[(1, 21309654), (2, 10654827), (3, 7103218), (6, 3551609), (379, 56226), (758, 28113), (1137, 18742), (2274, 9371)]