21024584

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 47241600

約数和(自身を除く): 26217016

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 73, 74, 139, 146, 148, 259, 278, 292, 296, 511, 518, 556, 584, 973, 1022, 1036, 1112, 1946, 2044, 2072, 2701, 3892, 4088, 5143, 5402, 7784, 10147, 10286, 10804, 18907, 20294, 20572, 21608, 36001, 37814, 40588, 41144, 71029, 72002, 75628, 81176, 142058, 144004, 151256, 284116, 288008, 375439, 568232, 750878, 1501756, 2628073, 3003512, 5256146, 10512292, 21024584]

約数ペア:

[(1, 21024584), (2, 10512292), (4, 5256146), (7, 3003512), (8, 2628073), (14, 1501756), (28, 750878), (37, 568232), (56, 375439), (73, 288008), (74, 284116), (139, 151256), (146, 144004), (148, 142058), (259, 81176), (278, 75628), (292, 72002), (296, 71029), (511, 41144), (518, 40588), (556, 37814), (584, 36001), (973, 21608), (1022, 20572), (1036, 20294), (1112, 18907), (1946, 10804), (2044, 10286), (2072, 10147), (2701, 7784), (3892, 5402), (4088, 5143)]