21159360

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 224

約数和(自身を含む): 78028800

約数和(自身を除く): 56869440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 79, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 158, 160, 180, 186, 192, 216, 237, 240, 248, 270, 279, 288, 310, 316, 320, 360, 372, 395, 432, 465, 474, 480, 496, 540, 558, 576, 620, 632, 711, 720, 744, 790, 837, 864, 930, 948, 960, 992, 1080, 1116, 1185, 1240, 1264, 1395, 1422, 1440, 1488, 1580, 1674, 1728, 1860, 1896, 1984, 2133, 2160, 2232, 2370, 2449, 2480, 2528, 2790, 2844, 2880, 2976, 3160, 3348, 3555, 3720, 3792, 4185, 4266, 4320, 4464, 4740, 4898, 4960, 5056, 5580, 5688, 5952, 6320, 6696, 7110, 7347, 7440, 7584, 8370, 8532, 8640, 8928, 9480, 9796, 9920, 10665, 11160, 11376, 12245, 12640, 13392, 14220, 14694, 14880, 15168, 16740, 17064, 17856, 18960, 19592, 21330, 22041, 22320, 22752, 24490, 25280, 26784, 28440, 29388, 29760, 33480, 34128, 36735, 37920, 39184, 42660, 44082, 44640, 45504, 48980, 53568, 56880, 58776, 66123, 66960, 68256, 73470, 75840, 78368, 85320, 88164, 89280, 97960, 110205, 113760, 117552, 132246, 133920, 136512, 146940, 156736, 170640, 176328, 195920, 220410, 227520, 235104, 264492, 267840, 293880, 330615, 341280, 352656, 391840, 440820, 470208, 528984, 587760, 661230, 682560, 705312, 783680, 881640, 1057968, 1175520, 1322460, 1410624, 1763280, 2115936, 2351040, 2644920, 3526560, 4231872, 5289840, 7053120, 10579680, 21159360]

約数ペア:

[(1, 21159360), (2, 10579680), (3, 7053120), (4, 5289840), (5, 4231872), (6, 3526560), (8, 2644920), (9, 2351040), (10, 2115936), (12, 1763280), (15, 1410624), (16, 1322460), (18, 1175520), (20, 1057968), (24, 881640), (27, 783680), (30, 705312), (31, 682560), (32, 661230), (36, 587760), (40, 528984), (45, 470208), (48, 440820), (54, 391840), (60, 352656), (62, 341280), (64, 330615), (72, 293880), (79, 267840), (80, 264492), (90, 235104), (93, 227520), (96, 220410), (108, 195920), (120, 176328), (124, 170640), (135, 156736), (144, 146940), (155, 136512), (158, 133920), (160, 132246), (180, 117552), (186, 113760), (192, 110205), (216, 97960), (237, 89280), (240, 88164), (248, 85320), (270, 78368), (279, 75840), (288, 73470), (310, 68256), (316, 66960), (320, 66123), (360, 58776), (372, 56880), (395, 53568), (432, 48980), (465, 45504), (474, 44640), (480, 44082), (496, 42660), (540, 39184), (558, 37920), (576, 36735), (620, 34128), (632, 33480), (711, 29760), (720, 29388), (744, 28440), (790, 26784), (837, 25280), (864, 24490), (930, 22752), (948, 22320), (960, 22041), (992, 21330), (1080, 19592), (1116, 18960), (1185, 17856), (1240, 17064), (1264, 16740), (1395, 15168), (1422, 14880), (1440, 14694), (1488, 14220), (1580, 13392), (1674, 12640), (1728, 12245), (1860, 11376), (1896, 11160), (1984, 10665), (2133, 9920), (2160, 9796), (2232, 9480), (2370, 8928), (2449, 8640), (2480, 8532), (2528, 8370), (2790, 7584), (2844, 7440), (2880, 7347), (2976, 7110), (3160, 6696), (3348, 6320), (3555, 5952), (3720, 5688), (3792, 5580), (4185, 5056), (4266, 4960), (4320, 4898), (4464, 4740)]