21080148

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40853}}^1$

素因数の和:40903

約数の個数: 24

約数和(自身を含む): 50332128

約数和(自身を除く): 29251980

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40853, 81706, 122559, 163412, 245118, 490236, 1756679, 3513358, 5270037, 7026716, 10540074, 21080148]

約数ペア:

[(1, 21080148), (2, 10540074), (3, 7026716), (4, 5270037), (6, 3513358), (12, 1756679), (43, 490236), (86, 245118), (129, 163412), (172, 122559), (258, 81706), (516, 40853)]