21245712

素因数分解:

$2^4\times 3^1\times {\mathrm{442619}}^1$

素因数の和:442630

約数の個数: 20

約数和(自身を含む): 54884880

約数和(自身を除く): 33639168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442619, 885238, 1327857, 1770476, 2655714, 3540952, 5311428, 7081904, 10622856, 21245712]

約数ペア:

[(1, 21245712), (2, 10622856), (3, 7081904), (4, 5311428), (6, 3540952), (8, 2655714), (12, 1770476), (16, 1327857), (24, 885238), (48, 442619)]