21243408

素因数分解:

$2^4\times 3^1\times {\mathrm{442571}}^1$

素因数の和:442582

約数の個数: 20

約数和(自身を含む): 54878928

約数和(自身を除く): 33635520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442571, 885142, 1327713, 1770284, 2655426, 3540568, 5310852, 7081136, 10621704, 21243408]

約数ペア:

[(1, 21243408), (2, 10621704), (3, 7081136), (4, 5310852), (6, 3540568), (8, 2655426), (12, 1770284), (16, 1327713), (24, 885142), (48, 442571)]