21000470436

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{56237}}^1$

素因数の和:56322

約数の個数: 144

約数和(自身を含む): 61903191168

約数和(自身を除く): 40902720732

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 41, 44, 46, 66, 69, 82, 92, 99, 123, 132, 138, 164, 198, 207, 246, 253, 276, 369, 396, 414, 451, 492, 506, 738, 759, 828, 902, 943, 1012, 1353, 1476, 1518, 1804, 1886, 2277, 2706, 2829, 3036, 3772, 4059, 4554, 5412, 5658, 8118, 8487, 9108, 10373, 11316, 16236, 16974, 20746, 31119, 33948, 41492, 56237, 62238, 93357, 112474, 124476, 168711, 186714, 224948, 337422, 373428, 506133, 618607, 674844, 1012266, 1237214, 1293451, 1855821, 2024532, 2305717, 2474428, 2586902, 3711642, 3880353, 4611434, 5173804, 5567463, 6917151, 7423284, 7760706, 9222868, 11134926, 11641059, 13834302, 14227961, 15521412, 20751453, 22269852, 23282118, 25362887, 27668604, 28455922, 41502906, 42683883, 46564236, 50725774, 53031491, 56911844, 76088661, 83005812, 85367766, 101451548, 106062982, 128051649, 152177322, 159094473, 170735532, 212125964, 228265983, 256103298, 304354644, 318188946, 456531966, 477283419, 512206596, 583346401, 636377892, 913063932, 954566838, 1166692802, 1750039203, 1909133676, 2333385604, 3500078406, 5250117609, 7000156812, 10500235218, 21000470436]

約数ペア:

[(1, 21000470436), (2, 10500235218), (3, 7000156812), (4, 5250117609), (6, 3500078406), (9, 2333385604), (11, 1909133676), (12, 1750039203), (18, 1166692802), (22, 954566838), (23, 913063932), (33, 636377892), (36, 583346401), (41, 512206596), (44, 477283419), (46, 456531966), (66, 318188946), (69, 304354644), (82, 256103298), (92, 228265983), (99, 212125964), (123, 170735532), (132, 159094473), (138, 152177322), (164, 128051649), (198, 106062982), (207, 101451548), (246, 85367766), (253, 83005812), (276, 76088661), (369, 56911844), (396, 53031491), (414, 50725774), (451, 46564236), (492, 42683883), (506, 41502906), (738, 28455922), (759, 27668604), (828, 25362887), (902, 23282118), (943, 22269852), (1012, 20751453), (1353, 15521412), (1476, 14227961), (1518, 13834302), (1804, 11641059), (1886, 11134926), (2277, 9222868), (2706, 7760706), (2829, 7423284), (3036, 6917151), (3772, 5567463), (4059, 5173804), (4554, 4611434), (5412, 3880353), (5658, 3711642), (8118, 2586902), (8487, 2474428), (9108, 2305717), (10373, 2024532), (11316, 1855821), (16236, 1293451), (16974, 1237214), (20746, 1012266), (31119, 674844), (33948, 618607), (41492, 506133), (56237, 373428), (62238, 337422), (93357, 224948), (112474, 186714), (124476, 168711)]