21652100060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 48990614400

約数和(自身を除く): 27338514340

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 61, 94, 116, 122, 145, 188, 235, 244, 290, 305, 449, 470, 580, 610, 841, 898, 940, 1220, 1363, 1682, 1769, 1796, 2245, 2726, 2867, 3364, 3538, 4205, 4490, 5452, 5734, 6815, 7076, 8410, 8845, 8980, 11468, 13021, 13630, 14335, 16820, 17690, 21103, 26042, 27260, 27389, 28670, 35380, 39527, 42206, 51301, 52084, 54778, 57340, 65105, 79054, 83143, 84412, 102602, 105515, 109556, 130210, 136945, 158108, 166286, 197635, 205204, 211030, 256505, 260420, 273890, 332572, 377609, 395270, 415715, 422060, 513010, 547780, 611987, 755218, 790540, 794281, 831430, 1026020, 1223974, 1287283, 1510436, 1588562, 1662860, 1888045, 2411147, 2447948, 2574566, 3059935, 3177124, 3776090, 3971405, 4822294, 5149132, 6119870, 6436415, 7552180, 7942810, 9644588, 12055735, 12239740, 12872830, 15885620, 17747623, 23034149, 24111470, 25745660, 35495246, 37331207, 46068298, 48222940, 70990492, 74662414, 88738115, 92136596, 115170745, 149324828, 177476230, 186656035, 230341490, 354952460, 373312070, 460682980, 746624140, 1082605003, 2165210006, 4330420012, 5413025015, 10826050030, 21652100060]

約数ペア:

[(1, 21652100060), (2, 10826050030), (4, 5413025015), (5, 4330420012), (10, 2165210006), (20, 1082605003), (29, 746624140), (47, 460682980), (58, 373312070), (61, 354952460), (94, 230341490), (116, 186656035), (122, 177476230), (145, 149324828), (188, 115170745), (235, 92136596), (244, 88738115), (290, 74662414), (305, 70990492), (449, 48222940), (470, 46068298), (580, 37331207), (610, 35495246), (841, 25745660), (898, 24111470), (940, 23034149), (1220, 17747623), (1363, 15885620), (1682, 12872830), (1769, 12239740), (1796, 12055735), (2245, 9644588), (2726, 7942810), (2867, 7552180), (3364, 6436415), (3538, 6119870), (4205, 5149132), (4490, 4822294), (5452, 3971405), (5734, 3776090), (6815, 3177124), (7076, 3059935), (8410, 2574566), (8845, 2447948), (8980, 2411147), (11468, 1888045), (13021, 1662860), (13630, 1588562), (14335, 1510436), (16820, 1287283), (17690, 1223974), (21103, 1026020), (26042, 831430), (27260, 794281), (27389, 790540), (28670, 755218), (35380, 611987), (39527, 547780), (42206, 513010), (51301, 422060), (52084, 415715), (54778, 395270), (57340, 377609), (65105, 332572), (79054, 273890), (83143, 260420), (84412, 256505), (102602, 211030), (105515, 205204), (109556, 197635), (130210, 166286), (136945, 158108)]