21323600

素因数分解:

$2^4\times 5^2\times {\mathrm{53309}}^1$

素因数の和:53327

約数の個数: 30

約数和(自身を含む): 51230910

約数和(自身を除く): 29907310

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 53309, 106618, 213236, 266545, 426472, 533090, 852944, 1066180, 1332725, 2132360, 2665450, 4264720, 5330900, 10661800, 21323600]

約数ペア:

[(1, 21323600), (2, 10661800), (4, 5330900), (5, 4264720), (8, 2665450), (10, 2132360), (16, 1332725), (20, 1066180), (25, 852944), (40, 533090), (50, 426472), (80, 266545), (100, 213236), (200, 106618), (400, 53309)]