21053562

素因数分解:

$2^1\times 3^1\times {\mathrm{439}}^1\times {\mathrm{7993}}^1$

素因数の和:8437

約数の個数: 16

約数和(自身を含む): 42208320

約数和(自身を除く): 21154758

約数列:

[1, 2, 3, 6, 439, 878, 1317, 2634, 7993, 15986, 23979, 47958, 3508927, 7017854, 10526781, 21053562]

約数ペア:

[(1, 21053562), (2, 10526781), (3, 7017854), (6, 3508927), (439, 47958), (878, 23979), (1317, 15986), (2634, 7993)]