21002344

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 25264856

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 101, 136, 139, 187, 202, 278, 374, 404, 556, 748, 808, 1111, 1112, 1496, 1529, 1717, 2222, 2363, 3058, 3434, 4444, 4726, 6116, 6868, 8888, 9452, 12232, 13736, 14039, 18887, 18904, 25993, 28078, 37774, 51986, 56156, 75548, 103972, 112312, 151096, 154429, 207944, 238663, 308858, 477326, 617716, 954652, 1235432, 1909304, 2625293, 5250586, 10501172, 21002344]

約数ペア:

[(1, 21002344), (2, 10501172), (4, 5250586), (8, 2625293), (11, 1909304), (17, 1235432), (22, 954652), (34, 617716), (44, 477326), (68, 308858), (88, 238663), (101, 207944), (136, 154429), (139, 151096), (187, 112312), (202, 103972), (278, 75548), (374, 56156), (404, 51986), (556, 37774), (748, 28078), (808, 25993), (1111, 18904), (1112, 18887), (1496, 14039), (1529, 13736), (1717, 12232), (2222, 9452), (2363, 8888), (3058, 6868), (3434, 6116), (4444, 4726)]