21412248

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:417

約数の個数: 128

約数和(自身を含む): 66769920

約数和(自身を除く): 45357672

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 17, 22, 24, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 88, 102, 104, 132, 136, 143, 156, 187, 204, 221, 264, 286, 312, 367, 374, 408, 429, 442, 561, 572, 663, 734, 748, 858, 884, 1101, 1122, 1144, 1326, 1468, 1496, 1716, 1768, 2202, 2244, 2431, 2652, 2936, 3432, 4037, 4404, 4488, 4771, 4862, 5304, 6239, 7293, 8074, 8808, 9542, 9724, 12111, 12478, 14313, 14586, 16148, 18717, 19084, 19448, 24222, 24956, 28626, 29172, 32296, 37434, 38168, 48444, 49912, 52481, 57252, 58344, 68629, 74868, 81107, 96888, 104962, 114504, 137258, 149736, 157443, 162214, 205887, 209924, 243321, 274516, 314886, 324428, 411774, 419848, 486642, 549032, 629772, 648856, 823548, 892177, 973284, 1259544, 1647096, 1784354, 1946568, 2676531, 3568708, 5353062, 7137416, 10706124, 21412248]

約数ペア:

[(1, 21412248), (2, 10706124), (3, 7137416), (4, 5353062), (6, 3568708), (8, 2676531), (11, 1946568), (12, 1784354), (13, 1647096), (17, 1259544), (22, 973284), (24, 892177), (26, 823548), (33, 648856), (34, 629772), (39, 549032), (44, 486642), (51, 419848), (52, 411774), (66, 324428), (68, 314886), (78, 274516), (88, 243321), (102, 209924), (104, 205887), (132, 162214), (136, 157443), (143, 149736), (156, 137258), (187, 114504), (204, 104962), (221, 96888), (264, 81107), (286, 74868), (312, 68629), (367, 58344), (374, 57252), (408, 52481), (429, 49912), (442, 48444), (561, 38168), (572, 37434), (663, 32296), (734, 29172), (748, 28626), (858, 24956), (884, 24222), (1101, 19448), (1122, 19084), (1144, 18717), (1326, 16148), (1468, 14586), (1496, 14313), (1716, 12478), (1768, 12111), (2202, 9724), (2244, 9542), (2431, 8808), (2652, 8074), (2936, 7293), (3432, 6239), (4037, 5304), (4404, 4862), (4488, 4771)]