21008130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 39955710

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 59, 65, 66, 78, 83, 110, 118, 130, 143, 165, 166, 177, 195, 249, 286, 295, 330, 354, 390, 415, 429, 498, 590, 649, 715, 767, 830, 858, 885, 913, 1079, 1245, 1298, 1430, 1534, 1770, 1826, 1947, 2145, 2158, 2301, 2490, 2739, 3237, 3245, 3835, 3894, 4290, 4565, 4602, 4897, 5395, 5478, 6474, 6490, 7670, 8437, 9130, 9735, 9794, 10790, 11505, 11869, 13695, 14691, 16185, 16874, 19470, 23010, 23738, 24485, 25311, 27390, 29382, 32370, 35607, 42185, 48970, 50622, 53867, 59345, 63661, 71214, 73455, 84370, 107734, 118690, 126555, 127322, 146910, 161601, 178035, 190983, 253110, 269335, 318305, 323202, 356070, 381966, 538670, 636610, 700271, 808005, 954915, 1400542, 1616010, 1909830, 2100813, 3501355, 4201626, 7002710, 10504065, 21008130]

約数ペア:

[(1, 21008130), (2, 10504065), (3, 7002710), (5, 4201626), (6, 3501355), (10, 2100813), (11, 1909830), (13, 1616010), (15, 1400542), (22, 954915), (26, 808005), (30, 700271), (33, 636610), (39, 538670), (55, 381966), (59, 356070), (65, 323202), (66, 318305), (78, 269335), (83, 253110), (110, 190983), (118, 178035), (130, 161601), (143, 146910), (165, 127322), (166, 126555), (177, 118690), (195, 107734), (249, 84370), (286, 73455), (295, 71214), (330, 63661), (354, 59345), (390, 53867), (415, 50622), (429, 48970), (498, 42185), (590, 35607), (649, 32370), (715, 29382), (767, 27390), (830, 25311), (858, 24485), (885, 23738), (913, 23010), (1079, 19470), (1245, 16874), (1298, 16185), (1430, 14691), (1534, 13695), (1770, 11869), (1826, 11505), (1947, 10790), (2145, 9794), (2158, 9735), (2301, 9130), (2490, 8437), (2739, 7670), (3237, 6490), (3245, 6474), (3835, 5478), (3894, 5395), (4290, 4897), (4565, 4602)]