21155808

素因数分解:

$2^5\times 3^1\times {\mathrm{220373}}^1$

素因数の和:220386

約数の個数: 24

約数和(自身を含む): 55534248

約数和(自身を除く): 34378440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 220373, 440746, 661119, 881492, 1322238, 1762984, 2644476, 3525968, 5288952, 7051936, 10577904, 21155808]

約数ペア:

[(1, 21155808), (2, 10577904), (3, 7051936), (4, 5288952), (6, 3525968), (8, 2644476), (12, 1762984), (16, 1322238), (24, 881492), (32, 661119), (48, 440746), (96, 220373)]