21129744

素因数分解:

$2^4\times 3^1\times {\mathrm{440203}}^1$

素因数の和:440214

約数の個数: 20

約数和(自身を含む): 54585296

約数和(自身を除く): 33455552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440203, 880406, 1320609, 1760812, 2641218, 3521624, 5282436, 7043248, 10564872, 21129744]

約数ペア:

[(1, 21129744), (2, 10564872), (3, 7043248), (4, 5282436), (6, 3521624), (8, 2641218), (12, 1760812), (16, 1320609), (24, 880406), (48, 440203)]