21982428

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:353

約数の個数: 120

約数和(自身を含む): 65740752

約数和(自身を除く): 43758324

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 81, 102, 108, 117, 153, 156, 162, 204, 221, 234, 306, 307, 324, 351, 442, 459, 468, 612, 614, 663, 702, 884, 918, 921, 1053, 1228, 1326, 1377, 1404, 1836, 1842, 1989, 2106, 2652, 2754, 2763, 3684, 3978, 3991, 4212, 5219, 5508, 5526, 5967, 7956, 7982, 8289, 10438, 11052, 11934, 11973, 15657, 15964, 16578, 17901, 20876, 23868, 23946, 24867, 31314, 33156, 35802, 35919, 46971, 47892, 49734, 62628, 67847, 71604, 71838, 93942, 99468, 107757, 135694, 140913, 143676, 187884, 203541, 215514, 271388, 281826, 323271, 407082, 422739, 431028, 563652, 610623, 646542, 814164, 845478, 1221246, 1293084, 1690956, 1831869, 2442492, 3663738, 5495607, 7327476, 10991214, 21982428]

約数ペア:

[(1, 21982428), (2, 10991214), (3, 7327476), (4, 5495607), (6, 3663738), (9, 2442492), (12, 1831869), (13, 1690956), (17, 1293084), (18, 1221246), (26, 845478), (27, 814164), (34, 646542), (36, 610623), (39, 563652), (51, 431028), (52, 422739), (54, 407082), (68, 323271), (78, 281826), (81, 271388), (102, 215514), (108, 203541), (117, 187884), (153, 143676), (156, 140913), (162, 135694), (204, 107757), (221, 99468), (234, 93942), (306, 71838), (307, 71604), (324, 67847), (351, 62628), (442, 49734), (459, 47892), (468, 46971), (612, 35919), (614, 35802), (663, 33156), (702, 31314), (884, 24867), (918, 23946), (921, 23868), (1053, 20876), (1228, 17901), (1326, 16578), (1377, 15964), (1404, 15657), (1836, 11973), (1842, 11934), (1989, 11052), (2106, 10438), (2652, 8289), (2754, 7982), (2763, 7956), (3684, 5967), (3978, 5526), (3991, 5508), (4212, 5219)]