21729744

素因数分解:

$2^4\times 3^2\times {\mathrm{150901}}^1$

素因数の和:150915

約数の個数: 30

約数和(自身を含む): 60813506

約数和(自身を除く): 39083762

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 150901, 301802, 452703, 603604, 905406, 1207208, 1358109, 1810812, 2414416, 2716218, 3621624, 5432436, 7243248, 10864872, 21729744]

約数ペア:

[(1, 21729744), (2, 10864872), (3, 7243248), (4, 5432436), (6, 3621624), (8, 2716218), (9, 2414416), (12, 1810812), (16, 1358109), (18, 1207208), (24, 905406), (36, 603604), (48, 452703), (72, 301802), (144, 150901)]