21144528

素因数分解:

$2^4\times 3^2\times {\mathrm{146837}}^1$

素因数の和:146851

約数の個数: 30

約数和(自身を含む): 59175714

約数和(自身を除く): 38031186

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 146837, 293674, 440511, 587348, 881022, 1174696, 1321533, 1762044, 2349392, 2643066, 3524088, 5286132, 7048176, 10572264, 21144528]

約数ペア:

[(1, 21144528), (2, 10572264), (3, 7048176), (4, 5286132), (6, 3524088), (8, 2643066), (9, 2349392), (12, 1762044), (16, 1321533), (18, 1174696), (24, 881022), (36, 587348), (48, 440511), (72, 293674), (144, 146837)]