21860982

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 60480000

約数和(自身を除く): 38619018

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 19, 22, 26, 27, 33, 38, 39, 54, 57, 66, 78, 99, 114, 117, 143, 149, 171, 198, 209, 234, 247, 286, 297, 298, 342, 351, 418, 429, 447, 494, 513, 594, 627, 702, 741, 858, 894, 1026, 1254, 1287, 1341, 1482, 1639, 1881, 1937, 2223, 2574, 2682, 2717, 2831, 3278, 3762, 3861, 3874, 4023, 4446, 4917, 5434, 5643, 5662, 5811, 6669, 7722, 8046, 8151, 8493, 9834, 11286, 11622, 13338, 14751, 16302, 16986, 17433, 21307, 24453, 25479, 29502, 31141, 34866, 36803, 42614, 44253, 48906, 50958, 52299, 62282, 63921, 73359, 73606, 76437, 88506, 93423, 104598, 110409, 127842, 146718, 152874, 186846, 191763, 220818, 280269, 331227, 383526, 404833, 560538, 575289, 662454, 809666, 840807, 993681, 1150578, 1214499, 1681614, 1987362, 2428998, 3643497, 7286994, 10930491, 21860982]

約数ペア:

[(1, 21860982), (2, 10930491), (3, 7286994), (6, 3643497), (9, 2428998), (11, 1987362), (13, 1681614), (18, 1214499), (19, 1150578), (22, 993681), (26, 840807), (27, 809666), (33, 662454), (38, 575289), (39, 560538), (54, 404833), (57, 383526), (66, 331227), (78, 280269), (99, 220818), (114, 191763), (117, 186846), (143, 152874), (149, 146718), (171, 127842), (198, 110409), (209, 104598), (234, 93423), (247, 88506), (286, 76437), (297, 73606), (298, 73359), (342, 63921), (351, 62282), (418, 52299), (429, 50958), (447, 48906), (494, 44253), (513, 42614), (594, 36803), (627, 34866), (702, 31141), (741, 29502), (858, 25479), (894, 24453), (1026, 21307), (1254, 17433), (1287, 16986), (1341, 16302), (1482, 14751), (1639, 13338), (1881, 11622), (1937, 11286), (2223, 9834), (2574, 8493), (2682, 8151), (2717, 8046), (2831, 7722), (3278, 6669), (3762, 5811), (3861, 5662), (3874, 5643), (4023, 5434), (4446, 4917)]