21084735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{200807}}^1$

素因数の和:200822

約数の個数: 16

約数和(自身を含む): 38555136

約数和(自身を除く): 17470401

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 200807, 602421, 1004035, 1405649, 3012105, 4216947, 7028245, 21084735]

約数ペア:

[(1, 21084735), (3, 7028245), (5, 4216947), (7, 3012105), (15, 1405649), (21, 1004035), (35, 602421), (105, 200807)]