21394395

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14407}}^1$

素因数の和:14432

約数の個数: 32

約数和(自身を含む): 41495040

約数和(自身を除く): 20100645

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 14407, 43221, 72035, 129663, 158477, 216105, 388989, 475431, 648315, 792385, 1426293, 1944945, 2377155, 4278879, 7131465, 21394395]

約数ペア:

[(1, 21394395), (3, 7131465), (5, 4278879), (9, 2377155), (11, 1944945), (15, 1426293), (27, 792385), (33, 648315), (45, 475431), (55, 388989), (99, 216105), (135, 158477), (165, 129663), (297, 72035), (495, 43221), (1485, 14407)]