21968352

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:681

約数の個数: 144

約数和(自身を含む): 75714912

約数和(自身を除く): 53746560

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 68, 72, 84, 96, 102, 112, 119, 126, 136, 144, 153, 168, 204, 224, 238, 252, 272, 288, 306, 336, 357, 408, 476, 504, 544, 612, 641, 672, 714, 816, 952, 1008, 1071, 1224, 1282, 1428, 1632, 1904, 1923, 2016, 2142, 2448, 2564, 2856, 3808, 3846, 4284, 4487, 4896, 5128, 5712, 5769, 7692, 8568, 8974, 10256, 10897, 11424, 11538, 13461, 15384, 17136, 17948, 20512, 21794, 23076, 26922, 30768, 32691, 34272, 35896, 40383, 43588, 46152, 53844, 61536, 65382, 71792, 76279, 80766, 87176, 92304, 98073, 107688, 130764, 143584, 152558, 161532, 174352, 184608, 196146, 215376, 228837, 261528, 305116, 323064, 348704, 392292, 430752, 457674, 523056, 610232, 646128, 686511, 784584, 915348, 1046112, 1220464, 1292256, 1373022, 1569168, 1830696, 2440928, 2746044, 3138336, 3661392, 5492088, 7322784, 10984176, 21968352]

約数ペア:

[(1, 21968352), (2, 10984176), (3, 7322784), (4, 5492088), (6, 3661392), (7, 3138336), (8, 2746044), (9, 2440928), (12, 1830696), (14, 1569168), (16, 1373022), (17, 1292256), (18, 1220464), (21, 1046112), (24, 915348), (28, 784584), (32, 686511), (34, 646128), (36, 610232), (42, 523056), (48, 457674), (51, 430752), (56, 392292), (63, 348704), (68, 323064), (72, 305116), (84, 261528), (96, 228837), (102, 215376), (112, 196146), (119, 184608), (126, 174352), (136, 161532), (144, 152558), (153, 143584), (168, 130764), (204, 107688), (224, 98073), (238, 92304), (252, 87176), (272, 80766), (288, 76279), (306, 71792), (336, 65382), (357, 61536), (408, 53844), (476, 46152), (504, 43588), (544, 40383), (612, 35896), (641, 34272), (672, 32691), (714, 30768), (816, 26922), (952, 23076), (1008, 21794), (1071, 20512), (1224, 17948), (1282, 17136), (1428, 15384), (1632, 13461), (1904, 11538), (1923, 11424), (2016, 10897), (2142, 10256), (2448, 8974), (2564, 8568), (2856, 7692), (3808, 5769), (3846, 5712), (4284, 5128), (4487, 4896)]