21589848

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 128

約数和(自身を含む): 69696000

約数和(自身を除く): 48106152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 109, 126, 131, 168, 189, 216, 218, 252, 262, 327, 378, 393, 436, 504, 524, 654, 756, 763, 786, 872, 917, 981, 1048, 1179, 1308, 1512, 1526, 1572, 1834, 1962, 2289, 2358, 2616, 2751, 2943, 3052, 3144, 3537, 3668, 3924, 4578, 4716, 5502, 5886, 6104, 6867, 7074, 7336, 7848, 8253, 9156, 9432, 11004, 11772, 13734, 14148, 14279, 16506, 18312, 20601, 22008, 23544, 24759, 27468, 28296, 28558, 33012, 41202, 42837, 49518, 54936, 57116, 66024, 82404, 85674, 99036, 99953, 114232, 128511, 164808, 171348, 198072, 199906, 257022, 299859, 342696, 385533, 399812, 514044, 599718, 771066, 799624, 899577, 1028088, 1199436, 1542132, 1799154, 2398872, 2698731, 3084264, 3598308, 5397462, 7196616, 10794924, 21589848]

約数ペア:

[(1, 21589848), (2, 10794924), (3, 7196616), (4, 5397462), (6, 3598308), (7, 3084264), (8, 2698731), (9, 2398872), (12, 1799154), (14, 1542132), (18, 1199436), (21, 1028088), (24, 899577), (27, 799624), (28, 771066), (36, 599718), (42, 514044), (54, 399812), (56, 385533), (63, 342696), (72, 299859), (84, 257022), (108, 199906), (109, 198072), (126, 171348), (131, 164808), (168, 128511), (189, 114232), (216, 99953), (218, 99036), (252, 85674), (262, 82404), (327, 66024), (378, 57116), (393, 54936), (436, 49518), (504, 42837), (524, 41202), (654, 33012), (756, 28558), (763, 28296), (786, 27468), (872, 24759), (917, 23544), (981, 22008), (1048, 20601), (1179, 18312), (1308, 16506), (1512, 14279), (1526, 14148), (1572, 13734), (1834, 11772), (1962, 11004), (2289, 9432), (2358, 9156), (2616, 8253), (2751, 7848), (2943, 7336), (3052, 7074), (3144, 6867), (3537, 6104), (3668, 5886), (3924, 5502), (4578, 4716)]