21971664

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:146

約数の個数: 180

約数和(自身を含む): 73537828

約数和(自身を除く): 51566164

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 97, 99, 104, 117, 121, 132, 143, 144, 156, 176, 194, 198, 208, 234, 242, 264, 286, 291, 312, 363, 388, 396, 429, 468, 484, 528, 572, 582, 624, 726, 776, 792, 858, 873, 936, 968, 1067, 1089, 1144, 1164, 1261, 1287, 1452, 1552, 1573, 1584, 1716, 1746, 1872, 1936, 2134, 2178, 2288, 2328, 2522, 2574, 2904, 3146, 3201, 3432, 3492, 3783, 4268, 4356, 4656, 4719, 5044, 5148, 5808, 6292, 6402, 6864, 6984, 7566, 8536, 8712, 9438, 9603, 10088, 10296, 11349, 11737, 12584, 12804, 13871, 13968, 14157, 15132, 17072, 17424, 18876, 19206, 20176, 20592, 22698, 23474, 25168, 25608, 27742, 28314, 30264, 35211, 37752, 38412, 41613, 45396, 46948, 51216, 55484, 56628, 60528, 70422, 75504, 76824, 83226, 90792, 93896, 105633, 110968, 113256, 124839, 140844, 152581, 153648, 166452, 181584, 187792, 211266, 221936, 226512, 249678, 281688, 305162, 332904, 422532, 457743, 499356, 563376, 610324, 665808, 845064, 915486, 998712, 1220648, 1373229, 1690128, 1830972, 1997424, 2441296, 2746458, 3661944, 5492916, 7323888, 10985832, 21971664]

約数ペア:

[(1, 21971664), (2, 10985832), (3, 7323888), (4, 5492916), (6, 3661944), (8, 2746458), (9, 2441296), (11, 1997424), (12, 1830972), (13, 1690128), (16, 1373229), (18, 1220648), (22, 998712), (24, 915486), (26, 845064), (33, 665808), (36, 610324), (39, 563376), (44, 499356), (48, 457743), (52, 422532), (66, 332904), (72, 305162), (78, 281688), (88, 249678), (97, 226512), (99, 221936), (104, 211266), (117, 187792), (121, 181584), (132, 166452), (143, 153648), (144, 152581), (156, 140844), (176, 124839), (194, 113256), (198, 110968), (208, 105633), (234, 93896), (242, 90792), (264, 83226), (286, 76824), (291, 75504), (312, 70422), (363, 60528), (388, 56628), (396, 55484), (429, 51216), (468, 46948), (484, 45396), (528, 41613), (572, 38412), (582, 37752), (624, 35211), (726, 30264), (776, 28314), (792, 27742), (858, 25608), (873, 25168), (936, 23474), (968, 22698), (1067, 20592), (1089, 20176), (1144, 19206), (1164, 18876), (1261, 17424), (1287, 17072), (1452, 15132), (1552, 14157), (1573, 13968), (1584, 13871), (1716, 12804), (1746, 12584), (1872, 11737), (1936, 11349), (2134, 10296), (2178, 10088), (2288, 9603), (2328, 9438), (2522, 8712), (2574, 8536), (2904, 7566), (3146, 6984), (3201, 6864), (3432, 6402), (3492, 6292), (3783, 5808), (4268, 5148), (4356, 5044), (4656, 4719)]