21072424

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4729}}^1$

素因数の和:5292

約数の個数: 16

約数和(自身を含む): 39590100

約数和(自身を除く): 18517676

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 4729, 9458, 18916, 37832, 2634053, 5268106, 10536212, 21072424]

約数ペア:

[(1, 21072424), (2, 10536212), (4, 5268106), (8, 2634053), (557, 37832), (1114, 18916), (2228, 9458), (4456, 4729)]