21000455496

素因数分解:

$2^3\times 3^3\times {\mathrm{181}}^1\times {\mathrm{521}}^1\times {\mathrm{1031}}^1$

素因数の和:1748

約数の個数: 128

約数和(自身を含む): 58826476800

約数和(自身を除く): 37826021304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 181, 216, 362, 521, 543, 724, 1031, 1042, 1086, 1448, 1563, 1629, 2062, 2084, 2172, 3093, 3126, 3258, 4124, 4168, 4344, 4689, 4887, 6186, 6252, 6516, 8248, 9279, 9378, 9774, 12372, 12504, 13032, 14067, 18558, 18756, 19548, 24744, 27837, 28134, 37116, 37512, 39096, 55674, 56268, 74232, 94301, 111348, 112536, 186611, 188602, 222696, 282903, 373222, 377204, 537151, 559833, 565806, 746444, 754408, 848709, 1074302, 1119666, 1131612, 1492888, 1611453, 1679499, 1697418, 2148604, 2239332, 2263224, 2546127, 3222906, 3358998, 3394836, 4297208, 4478664, 4834359, 5038497, 5092254, 6445812, 6717996, 6789672, 9668718, 10076994, 10184508, 12891624, 13435992, 14503077, 19337436, 20153988, 20369016, 29006154, 38674872, 40307976, 58012308, 97224331, 116024616, 194448662, 291672993, 388897324, 583345986, 777794648, 875018979, 1166691972, 1750037958, 2333383944, 2625056937, 3500075916, 5250113874, 7000151832, 10500227748, 21000455496]

約数ペア:

[(1, 21000455496), (2, 10500227748), (3, 7000151832), (4, 5250113874), (6, 3500075916), (8, 2625056937), (9, 2333383944), (12, 1750037958), (18, 1166691972), (24, 875018979), (27, 777794648), (36, 583345986), (54, 388897324), (72, 291672993), (108, 194448662), (181, 116024616), (216, 97224331), (362, 58012308), (521, 40307976), (543, 38674872), (724, 29006154), (1031, 20369016), (1042, 20153988), (1086, 19337436), (1448, 14503077), (1563, 13435992), (1629, 12891624), (2062, 10184508), (2084, 10076994), (2172, 9668718), (3093, 6789672), (3126, 6717996), (3258, 6445812), (4124, 5092254), (4168, 5038497), (4344, 4834359), (4689, 4478664), (4887, 4297208), (6186, 3394836), (6252, 3358998), (6516, 3222906), (8248, 2546127), (9279, 2263224), (9378, 2239332), (9774, 2148604), (12372, 1697418), (12504, 1679499), (13032, 1611453), (14067, 1492888), (18558, 1131612), (18756, 1119666), (19548, 1074302), (24744, 848709), (27837, 754408), (28134, 746444), (37116, 565806), (37512, 559833), (39096, 537151), (55674, 377204), (56268, 373222), (74232, 282903), (94301, 222696), (111348, 188602), (112536, 186611)]