21903360

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 192

約数和(自身を含む): 75479040

約数和(自身を除く): 53575680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 48, 60, 62, 64, 69, 80, 92, 93, 96, 115, 120, 124, 128, 138, 155, 160, 184, 186, 192, 230, 240, 248, 256, 276, 310, 320, 345, 368, 372, 384, 460, 465, 480, 496, 512, 552, 620, 640, 690, 713, 736, 744, 768, 920, 930, 960, 992, 1024, 1104, 1240, 1280, 1380, 1426, 1472, 1488, 1536, 1840, 1860, 1920, 1984, 2048, 2139, 2208, 2480, 2560, 2760, 2852, 2944, 2976, 3072, 3565, 3680, 3720, 3840, 3968, 4278, 4416, 4960, 5120, 5520, 5704, 5888, 5952, 6144, 7130, 7360, 7440, 7680, 7936, 8556, 8832, 9920, 10240, 10695, 11040, 11408, 11776, 11904, 14260, 14720, 14880, 15360, 15872, 17112, 17664, 19840, 21390, 22080, 22816, 23552, 23808, 28520, 29440, 29760, 30720, 31744, 34224, 35328, 39680, 42780, 44160, 45632, 47104, 47616, 57040, 58880, 59520, 63488, 68448, 70656, 79360, 85560, 88320, 91264, 95232, 114080, 117760, 119040, 136896, 141312, 158720, 171120, 176640, 182528, 190464, 228160, 235520, 238080, 273792, 317440, 342240, 353280, 365056, 456320, 476160, 547584, 684480, 706560, 730112, 912640, 952320, 1095168, 1368960, 1460224, 1825280, 2190336, 2737920, 3650560, 4380672, 5475840, 7301120, 10951680, 21903360]

約数ペア:

[(1, 21903360), (2, 10951680), (3, 7301120), (4, 5475840), (5, 4380672), (6, 3650560), (8, 2737920), (10, 2190336), (12, 1825280), (15, 1460224), (16, 1368960), (20, 1095168), (23, 952320), (24, 912640), (30, 730112), (31, 706560), (32, 684480), (40, 547584), (46, 476160), (48, 456320), (60, 365056), (62, 353280), (64, 342240), (69, 317440), (80, 273792), (92, 238080), (93, 235520), (96, 228160), (115, 190464), (120, 182528), (124, 176640), (128, 171120), (138, 158720), (155, 141312), (160, 136896), (184, 119040), (186, 117760), (192, 114080), (230, 95232), (240, 91264), (248, 88320), (256, 85560), (276, 79360), (310, 70656), (320, 68448), (345, 63488), (368, 59520), (372, 58880), (384, 57040), (460, 47616), (465, 47104), (480, 45632), (496, 44160), (512, 42780), (552, 39680), (620, 35328), (640, 34224), (690, 31744), (713, 30720), (736, 29760), (744, 29440), (768, 28520), (920, 23808), (930, 23552), (960, 22816), (992, 22080), (1024, 21390), (1104, 19840), (1240, 17664), (1280, 17112), (1380, 15872), (1426, 15360), (1472, 14880), (1488, 14720), (1536, 14260), (1840, 11904), (1860, 11776), (1920, 11408), (1984, 11040), (2048, 10695), (2139, 10240), (2208, 9920), (2480, 8832), (2560, 8556), (2760, 7936), (2852, 7680), (2944, 7440), (2976, 7360), (3072, 7130), (3565, 6144), (3680, 5952), (3720, 5888), (3840, 5704), (3968, 5520), (4278, 5120), (4416, 4960)]