21041784

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17191}}^1$

素因数の和:17220

約数の個数: 48

約数和(自身を含む): 60343920

約数和(自身を除く): 39302136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17191, 34382, 51573, 68764, 103146, 137528, 154719, 206292, 292247, 309438, 412584, 584494, 618876, 876741, 1168988, 1237752, 1753482, 2337976, 2630223, 3506964, 5260446, 7013928, 10520892, 21041784]

約数ペア:

[(1, 21041784), (2, 10520892), (3, 7013928), (4, 5260446), (6, 3506964), (8, 2630223), (9, 2337976), (12, 1753482), (17, 1237752), (18, 1168988), (24, 876741), (34, 618876), (36, 584494), (51, 412584), (68, 309438), (72, 292247), (102, 206292), (136, 154719), (153, 137528), (204, 103146), (306, 68764), (408, 51573), (612, 34382), (1224, 17191)]