21958131

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{15217}}^1$

素因数の和:15270

約数の個数: 16

約数和(自身を含む): 32383904

約数和(自身を除く): 10425773

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 15217, 45651, 197821, 563029, 593463, 1689087, 7319377, 21958131]

約数ペア:

[(1, 21958131), (3, 7319377), (13, 1689087), (37, 593463), (39, 563029), (111, 197821), (481, 45651), (1443, 15217)]