21146352

素因数分解:

$2^4\times 3^1\times {\mathrm{440549}}^1$

素因数の和:440560

約数の個数: 20

約数和(自身を含む): 54628200

約数和(自身を除く): 33481848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440549, 881098, 1321647, 1762196, 2643294, 3524392, 5286588, 7048784, 10573176, 21146352]

約数ペア:

[(1, 21146352), (2, 10573176), (3, 7048784), (4, 5286588), (6, 3524392), (8, 2643294), (12, 1762196), (16, 1321647), (24, 881098), (48, 440549)]