21071712

素因数分解:

$2^5\times 3^1\times {\mathrm{199}}^1\times {\mathrm{1103}}^1$

素因数の和:1315

約数の個数: 48

約数和(自身を含む): 55641600

約数和(自身を除く): 34569888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 199, 398, 597, 796, 1103, 1194, 1592, 2206, 2388, 3184, 3309, 4412, 4776, 6368, 6618, 8824, 9552, 13236, 17648, 19104, 26472, 35296, 52944, 105888, 219497, 438994, 658491, 877988, 1316982, 1755976, 2633964, 3511952, 5267928, 7023904, 10535856, 21071712]

約数ペア:

[(1, 21071712), (2, 10535856), (3, 7023904), (4, 5267928), (6, 3511952), (8, 2633964), (12, 1755976), (16, 1316982), (24, 877988), (32, 658491), (48, 438994), (96, 219497), (199, 105888), (398, 52944), (597, 35296), (796, 26472), (1103, 19104), (1194, 17648), (1592, 13236), (2206, 9552), (2388, 8824), (3184, 6618), (3309, 6368), (4412, 4776)]