21069546

素因数分解:

$2^1\times 3^1\times {\mathrm{509}}^1\times {\mathrm{6899}}^1$

素因数の和:7413

約数の個数: 16

約数和(自身を含む): 42228000

約数和(自身を除く): 21158454

約数列:

[1, 2, 3, 6, 509, 1018, 1527, 3054, 6899, 13798, 20697, 41394, 3511591, 7023182, 10534773, 21069546]

約数ペア:

[(1, 21069546), (2, 10534773), (3, 7023182), (6, 3511591), (509, 41394), (1018, 20697), (1527, 13798), (3054, 6899)]