21861645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{112111}}^1$

素因数の和:112132

約数の個数: 16

約数和(自身を含む): 37669632

約数和(自身を除く): 15807987

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 112111, 336333, 560555, 1457443, 1681665, 4372329, 7287215, 21861645]

約数ペア:

[(1, 21861645), (3, 7287215), (5, 4372329), (13, 1681665), (15, 1457443), (39, 560555), (65, 336333), (195, 112111)]