21355776

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 216

約数和(自身を含む): 71425536

約数和(自身を除く): 50069760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 31, 32, 36, 39, 46, 48, 52, 62, 64, 69, 72, 78, 92, 93, 96, 104, 117, 124, 128, 138, 144, 156, 184, 186, 192, 207, 208, 234, 248, 256, 276, 279, 288, 299, 312, 368, 372, 384, 403, 414, 416, 468, 496, 552, 558, 576, 598, 624, 713, 736, 744, 768, 806, 828, 832, 897, 936, 992, 1104, 1116, 1152, 1196, 1209, 1248, 1426, 1472, 1488, 1612, 1656, 1664, 1794, 1872, 1984, 2139, 2208, 2232, 2304, 2392, 2418, 2496, 2691, 2852, 2944, 2976, 3224, 3312, 3328, 3588, 3627, 3744, 3968, 4278, 4416, 4464, 4784, 4836, 4992, 5382, 5704, 5888, 5952, 6417, 6448, 6624, 7176, 7254, 7488, 7936, 8556, 8832, 8928, 9269, 9568, 9672, 9984, 10764, 11408, 11904, 12834, 12896, 13248, 14352, 14508, 14976, 17112, 17664, 17856, 18538, 19136, 19344, 21528, 22816, 23808, 25668, 25792, 26496, 27807, 28704, 29016, 29952, 34224, 35712, 37076, 38272, 38688, 43056, 45632, 51336, 51584, 52992, 55614, 57408, 58032, 68448, 71424, 74152, 76544, 77376, 83421, 86112, 91264, 102672, 103168, 111228, 114816, 116064, 136896, 148304, 154752, 166842, 172224, 182528, 205344, 222456, 229632, 232128, 273792, 296608, 309504, 333684, 344448, 410688, 444912, 464256, 547584, 593216, 667368, 688896, 821376, 889824, 928512, 1186432, 1334736, 1642752, 1779648, 2372864, 2669472, 3559296, 5338944, 7118592, 10677888, 21355776]

約数ペア:

[(1, 21355776), (2, 10677888), (3, 7118592), (4, 5338944), (6, 3559296), (8, 2669472), (9, 2372864), (12, 1779648), (13, 1642752), (16, 1334736), (18, 1186432), (23, 928512), (24, 889824), (26, 821376), (31, 688896), (32, 667368), (36, 593216), (39, 547584), (46, 464256), (48, 444912), (52, 410688), (62, 344448), (64, 333684), (69, 309504), (72, 296608), (78, 273792), (92, 232128), (93, 229632), (96, 222456), (104, 205344), (117, 182528), (124, 172224), (128, 166842), (138, 154752), (144, 148304), (156, 136896), (184, 116064), (186, 114816), (192, 111228), (207, 103168), (208, 102672), (234, 91264), (248, 86112), (256, 83421), (276, 77376), (279, 76544), (288, 74152), (299, 71424), (312, 68448), (368, 58032), (372, 57408), (384, 55614), (403, 52992), (414, 51584), (416, 51336), (468, 45632), (496, 43056), (552, 38688), (558, 38272), (576, 37076), (598, 35712), (624, 34224), (713, 29952), (736, 29016), (744, 28704), (768, 27807), (806, 26496), (828, 25792), (832, 25668), (897, 23808), (936, 22816), (992, 21528), (1104, 19344), (1116, 19136), (1152, 18538), (1196, 17856), (1209, 17664), (1248, 17112), (1426, 14976), (1472, 14508), (1488, 14352), (1612, 13248), (1656, 12896), (1664, 12834), (1794, 11904), (1872, 11408), (1984, 10764), (2139, 9984), (2208, 9672), (2232, 9568), (2304, 9269), (2392, 8928), (2418, 8832), (2496, 8556), (2691, 7936), (2852, 7488), (2944, 7254), (2976, 7176), (3224, 6624), (3312, 6448), (3328, 6417), (3588, 5952), (3627, 5888), (3744, 5704), (3968, 5382), (4278, 4992), (4416, 4836), (4464, 4784)]