21679697950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1\times {\mathrm{653}}^1$

素因数の和:1102

約数の個数: 96

約数和(自身を含む): 43222546080

約数和(自身を除く): 21542848130

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 139, 170, 278, 281, 425, 562, 653, 695, 850, 1306, 1390, 1405, 2363, 2810, 3265, 3475, 4726, 4777, 6530, 6950, 7025, 9554, 11101, 11815, 14050, 16325, 22202, 23630, 23885, 32650, 39059, 47770, 55505, 59075, 78118, 90767, 111010, 118150, 119425, 181534, 183493, 195295, 238850, 277525, 366986, 390590, 453835, 555050, 664003, 907670, 917465, 976475, 1328006, 1543039, 1834930, 1952950, 2269175, 3086078, 3119381, 3320015, 4538350, 4587325, 6238762, 6640030, 7715195, 9174650, 15430390, 15596905, 16600075, 25505527, 31193810, 33200150, 38575975, 51011054, 77151950, 77984525, 127527635, 155969050, 255055270, 433593959, 637638175, 867187918, 1275276350, 2167969795, 4335939590, 10839848975, 21679697950]

約数ペア:

[(1, 21679697950), (2, 10839848975), (5, 4335939590), (10, 2167969795), (17, 1275276350), (25, 867187918), (34, 637638175), (50, 433593959), (85, 255055270), (139, 155969050), (170, 127527635), (278, 77984525), (281, 77151950), (425, 51011054), (562, 38575975), (653, 33200150), (695, 31193810), (850, 25505527), (1306, 16600075), (1390, 15596905), (1405, 15430390), (2363, 9174650), (2810, 7715195), (3265, 6640030), (3475, 6238762), (4726, 4587325), (4777, 4538350), (6530, 3320015), (6950, 3119381), (7025, 3086078), (9554, 2269175), (11101, 1952950), (11815, 1834930), (14050, 1543039), (16325, 1328006), (22202, 976475), (23630, 917465), (23885, 907670), (32650, 664003), (39059, 555050), (47770, 453835), (55505, 390590), (59075, 366986), (78118, 277525), (90767, 238850), (111010, 195295), (118150, 183493), (119425, 181534)]