21251130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{708371}}^1$

素因数の和:708381

約数の個数: 16

約数和(自身を含む): 51002784

約数和(自身を除く): 29751654

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 708371, 1416742, 2125113, 3541855, 4250226, 7083710, 10625565, 21251130]

約数ペア:

[(1, 21251130), (2, 10625565), (3, 7083710), (5, 4250226), (6, 3541855), (10, 2125113), (15, 1416742), (30, 708371)]