21462177

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 33606144

約数和(自身を除く): 12143967

約数列:

[1, 3, 11, 17, 33, 51, 67, 187, 201, 561, 571, 737, 1139, 1713, 2211, 3417, 6281, 9707, 12529, 18843, 29121, 37587, 38257, 106777, 114771, 320331, 420827, 650369, 1262481, 1951107, 7154059, 21462177]

約数ペア:

[(1, 21462177), (3, 7154059), (11, 1951107), (17, 1262481), (33, 650369), (51, 420827), (67, 320331), (187, 114771), (201, 106777), (561, 38257), (571, 37587), (737, 29121), (1139, 18843), (1713, 12529), (2211, 9707), (3417, 6281)]