21685104

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 160

約数和(自身を含む): 72852480

約数和(自身を除く): 51167376

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 71, 72, 84, 101, 108, 112, 126, 142, 144, 168, 189, 202, 213, 216, 252, 284, 303, 336, 378, 404, 426, 432, 497, 504, 568, 606, 639, 707, 756, 808, 852, 909, 994, 1008, 1136, 1212, 1278, 1414, 1491, 1512, 1616, 1704, 1818, 1917, 1988, 2121, 2424, 2556, 2727, 2828, 2982, 3024, 3408, 3636, 3834, 3976, 4242, 4473, 4848, 5112, 5454, 5656, 5964, 6363, 7171, 7272, 7668, 7952, 8484, 8946, 10224, 10908, 11312, 11928, 12726, 13419, 14342, 14544, 15336, 16968, 17892, 19089, 21513, 21816, 23856, 25452, 26838, 28684, 30672, 33936, 35784, 38178, 43026, 43632, 50197, 50904, 53676, 57368, 64539, 71568, 76356, 86052, 100394, 101808, 107352, 114736, 129078, 150591, 152712, 172104, 193617, 200788, 214704, 258156, 301182, 305424, 344208, 387234, 401576, 451773, 516312, 602364, 774468, 803152, 903546, 1032624, 1204728, 1355319, 1548936, 1807092, 2409456, 2710638, 3097872, 3614184, 5421276, 7228368, 10842552, 21685104]

約数ペア:

[(1, 21685104), (2, 10842552), (3, 7228368), (4, 5421276), (6, 3614184), (7, 3097872), (8, 2710638), (9, 2409456), (12, 1807092), (14, 1548936), (16, 1355319), (18, 1204728), (21, 1032624), (24, 903546), (27, 803152), (28, 774468), (36, 602364), (42, 516312), (48, 451773), (54, 401576), (56, 387234), (63, 344208), (71, 305424), (72, 301182), (84, 258156), (101, 214704), (108, 200788), (112, 193617), (126, 172104), (142, 152712), (144, 150591), (168, 129078), (189, 114736), (202, 107352), (213, 101808), (216, 100394), (252, 86052), (284, 76356), (303, 71568), (336, 64539), (378, 57368), (404, 53676), (426, 50904), (432, 50197), (497, 43632), (504, 43026), (568, 38178), (606, 35784), (639, 33936), (707, 30672), (756, 28684), (808, 26838), (852, 25452), (909, 23856), (994, 21816), (1008, 21513), (1136, 19089), (1212, 17892), (1278, 16968), (1414, 15336), (1491, 14544), (1512, 14342), (1616, 13419), (1704, 12726), (1818, 11928), (1917, 11312), (1988, 10908), (2121, 10224), (2424, 8946), (2556, 8484), (2727, 7952), (2828, 7668), (2982, 7272), (3024, 7171), (3408, 6363), (3636, 5964), (3834, 5656), (3976, 5454), (4242, 5112), (4473, 4848)]