21105339138

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{19121}}^1$

素因数の和:19284

約数の個数: 96

約数和(自身を含む): 50741374320

約数和(自身を除く): 29636035182

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 53, 78, 89, 106, 117, 159, 178, 234, 267, 318, 477, 534, 689, 801, 954, 1157, 1378, 1602, 2067, 2314, 3471, 4134, 4717, 6201, 6942, 9434, 10413, 12402, 14151, 19121, 20826, 28302, 38242, 42453, 57363, 61321, 84906, 114726, 122642, 172089, 183963, 248573, 344178, 367926, 497146, 551889, 745719, 1013413, 1103778, 1491438, 1701769, 2026826, 2237157, 3040239, 3403538, 4474314, 5105307, 6080478, 9120717, 10210614, 13174369, 15315921, 18241434, 22122997, 26348738, 30631842, 39523107, 44245994, 66368991, 79046214, 90193757, 118569321, 132737982, 180387514, 199106973, 237138642, 270581271, 398213946, 541162542, 811743813, 1172518841, 1623487626, 2345037682, 3517556523, 7035113046, 10552669569, 21105339138]

約数ペア:

[(1, 21105339138), (2, 10552669569), (3, 7035113046), (6, 3517556523), (9, 2345037682), (13, 1623487626), (18, 1172518841), (26, 811743813), (39, 541162542), (53, 398213946), (78, 270581271), (89, 237138642), (106, 199106973), (117, 180387514), (159, 132737982), (178, 118569321), (234, 90193757), (267, 79046214), (318, 66368991), (477, 44245994), (534, 39523107), (689, 30631842), (801, 26348738), (954, 22122997), (1157, 18241434), (1378, 15315921), (1602, 13174369), (2067, 10210614), (2314, 9120717), (3471, 6080478), (4134, 5105307), (4717, 4474314), (6201, 3403538), (6942, 3040239), (9434, 2237157), (10413, 2026826), (12402, 1701769), (14151, 1491438), (19121, 1103778), (20826, 1013413), (28302, 745719), (38242, 551889), (42453, 497146), (57363, 367926), (61321, 344178), (84906, 248573), (114726, 183963), (122642, 172089)]