21006141

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{967}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 30248064

約数和(自身を除く): 9241923

約数列:

[1, 3, 13, 39, 557, 967, 1671, 2901, 7241, 12571, 21723, 37713, 538619, 1615857, 7002047, 21006141]

約数ペア:

[(1, 21006141), (3, 7002047), (13, 1615857), (39, 538619), (557, 37713), (967, 21723), (1671, 12571), (2901, 7241)]