21711008

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1725

約数の個数: 48

約数和(自身を含む): 47918304

約数和(自身を除く): 26207296

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 74, 88, 148, 176, 296, 352, 407, 592, 814, 1184, 1628, 1667, 3256, 3334, 6512, 6668, 13024, 13336, 18337, 26672, 36674, 53344, 61679, 73348, 123358, 146696, 246716, 293392, 493432, 586784, 678469, 986864, 1356938, 1973728, 2713876, 5427752, 10855504, 21711008]

約数ペア:

[(1, 21711008), (2, 10855504), (4, 5427752), (8, 2713876), (11, 1973728), (16, 1356938), (22, 986864), (32, 678469), (37, 586784), (44, 493432), (74, 293392), (88, 246716), (148, 146696), (176, 123358), (296, 73348), (352, 61679), (407, 53344), (592, 36674), (814, 26672), (1184, 18337), (1628, 13336), (1667, 13024), (3256, 6668), (3334, 6512)]