21996225

素因数分解:

$3^3\times 5^2\times {\mathrm{32587}}^1$

素因数の和:32606

約数の個数: 24

約数和(自身を含む): 40409120

約数和(自身を除く): 18412895

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 32587, 97761, 162935, 293283, 488805, 814675, 879849, 1466415, 2444025, 4399245, 7332075, 21996225]

約数ペア:

[(1, 21996225), (3, 7332075), (5, 4399245), (9, 2444025), (15, 1466415), (25, 879849), (27, 814675), (45, 488805), (75, 293283), (135, 162935), (225, 97761), (675, 32587)]