21484270

素因数分解:

$2^1\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{1493}}^1$

素因数の和:2939

約数の個数: 16

約数和(自身を含む): 38724480

約数和(自身を除く): 17240210

約数列:

[1, 2, 5, 10, 1439, 1493, 2878, 2986, 7195, 7465, 14390, 14930, 2148427, 4296854, 10742135, 21484270]

約数ペア:

[(1, 21484270), (2, 10742135), (5, 4296854), (10, 2148427), (1439, 14930), (1493, 14390), (2878, 7465), (2986, 7195)]