21066528

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 192

約数和(自身を含む): 69672960

約数和(自身を除く): 48606432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 29, 32, 42, 46, 47, 48, 56, 58, 69, 84, 87, 92, 94, 96, 112, 116, 138, 141, 161, 168, 174, 184, 188, 203, 224, 232, 276, 282, 322, 329, 336, 348, 368, 376, 406, 464, 483, 552, 564, 609, 644, 658, 667, 672, 696, 736, 752, 812, 928, 966, 987, 1081, 1104, 1128, 1218, 1288, 1316, 1334, 1363, 1392, 1504, 1624, 1932, 1974, 2001, 2162, 2208, 2256, 2436, 2576, 2632, 2668, 2726, 2784, 3243, 3248, 3864, 3948, 4002, 4089, 4324, 4512, 4669, 4872, 5152, 5264, 5336, 5452, 6486, 6496, 7567, 7728, 7896, 8004, 8178, 8648, 9338, 9541, 9744, 10528, 10672, 10904, 12972, 14007, 15134, 15456, 15792, 16008, 16356, 17296, 18676, 19082, 19488, 21344, 21808, 22701, 25944, 28014, 28623, 30268, 31349, 31584, 32016, 32712, 34592, 37352, 38164, 43616, 45402, 51888, 56028, 57246, 60536, 62698, 64032, 65424, 74704, 76328, 90804, 94047, 103776, 112056, 114492, 121072, 125396, 130848, 149408, 152656, 181608, 188094, 219443, 224112, 228984, 242144, 250792, 305312, 363216, 376188, 438886, 448224, 457968, 501584, 658329, 726432, 752376, 877772, 915936, 1003168, 1316658, 1504752, 1755544, 2633316, 3009504, 3511088, 5266632, 7022176, 10533264, 21066528]

約数ペア:

[(1, 21066528), (2, 10533264), (3, 7022176), (4, 5266632), (6, 3511088), (7, 3009504), (8, 2633316), (12, 1755544), (14, 1504752), (16, 1316658), (21, 1003168), (23, 915936), (24, 877772), (28, 752376), (29, 726432), (32, 658329), (42, 501584), (46, 457968), (47, 448224), (48, 438886), (56, 376188), (58, 363216), (69, 305312), (84, 250792), (87, 242144), (92, 228984), (94, 224112), (96, 219443), (112, 188094), (116, 181608), (138, 152656), (141, 149408), (161, 130848), (168, 125396), (174, 121072), (184, 114492), (188, 112056), (203, 103776), (224, 94047), (232, 90804), (276, 76328), (282, 74704), (322, 65424), (329, 64032), (336, 62698), (348, 60536), (368, 57246), (376, 56028), (406, 51888), (464, 45402), (483, 43616), (552, 38164), (564, 37352), (609, 34592), (644, 32712), (658, 32016), (667, 31584), (672, 31349), (696, 30268), (736, 28623), (752, 28014), (812, 25944), (928, 22701), (966, 21808), (987, 21344), (1081, 19488), (1104, 19082), (1128, 18676), (1218, 17296), (1288, 16356), (1316, 16008), (1334, 15792), (1363, 15456), (1392, 15134), (1504, 14007), (1624, 12972), (1932, 10904), (1974, 10672), (2001, 10528), (2162, 9744), (2208, 9541), (2256, 9338), (2436, 8648), (2576, 8178), (2632, 8004), (2668, 7896), (2726, 7728), (2784, 7567), (3243, 6496), (3248, 6486), (3864, 5452), (3948, 5336), (4002, 5264), (4089, 5152), (4324, 4872), (4512, 4669)]