21012623360

素因数分解:

$2^{12}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1522

約数の個数: 208

約数和(自身を含む): 54351544320

約数和(自身を除く): 33338920960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 184, 230, 248, 256, 310, 320, 368, 460, 496, 512, 620, 640, 713, 736, 920, 992, 1024, 1240, 1280, 1426, 1439, 1472, 1840, 1984, 2048, 2480, 2560, 2852, 2878, 2944, 3565, 3680, 3968, 4096, 4960, 5120, 5704, 5756, 5888, 7130, 7195, 7360, 7936, 9920, 10240, 11408, 11512, 11776, 14260, 14390, 14720, 15872, 19840, 20480, 22816, 23024, 23552, 28520, 28780, 29440, 31744, 33097, 39680, 44609, 45632, 46048, 47104, 57040, 57560, 58880, 63488, 66194, 79360, 89218, 91264, 92096, 94208, 114080, 115120, 117760, 126976, 132388, 158720, 165485, 178436, 182528, 184192, 223045, 228160, 230240, 235520, 264776, 317440, 330970, 356872, 365056, 368384, 446090, 456320, 460480, 471040, 529552, 634880, 661940, 713744, 730112, 736768, 892180, 912640, 920960, 1026007, 1059104, 1323880, 1427488, 1460224, 1473536, 1784360, 1825280, 1841920, 2052014, 2118208, 2647760, 2854976, 2920448, 2947072, 3568720, 3650560, 3683840, 4104028, 4236416, 5130035, 5295520, 5709952, 5894144, 7137440, 7301120, 7367680, 8208056, 8472832, 10260070, 10591040, 11419904, 14274880, 14602240, 14735360, 16416112, 16945664, 20520140, 21182080, 22839808, 28549760, 29470720, 32832224, 33891328, 41040280, 42364160, 45679616, 57099520, 65664448, 67782656, 82080560, 84728320, 91359232, 114199040, 131328896, 135565312, 164161120, 169456640, 182718464, 228398080, 262657792, 328322240, 338913280, 456796160, 525315584, 656644480, 677826560, 913592320, 1050631168, 1313288960, 2101262336, 2626577920, 4202524672, 5253155840, 10506311680, 21012623360]

約数ペア:

[(1, 21012623360), (2, 10506311680), (4, 5253155840), (5, 4202524672), (8, 2626577920), (10, 2101262336), (16, 1313288960), (20, 1050631168), (23, 913592320), (31, 677826560), (32, 656644480), (40, 525315584), (46, 456796160), (62, 338913280), (64, 328322240), (80, 262657792), (92, 228398080), (115, 182718464), (124, 169456640), (128, 164161120), (155, 135565312), (160, 131328896), (184, 114199040), (230, 91359232), (248, 84728320), (256, 82080560), (310, 67782656), (320, 65664448), (368, 57099520), (460, 45679616), (496, 42364160), (512, 41040280), (620, 33891328), (640, 32832224), (713, 29470720), (736, 28549760), (920, 22839808), (992, 21182080), (1024, 20520140), (1240, 16945664), (1280, 16416112), (1426, 14735360), (1439, 14602240), (1472, 14274880), (1840, 11419904), (1984, 10591040), (2048, 10260070), (2480, 8472832), (2560, 8208056), (2852, 7367680), (2878, 7301120), (2944, 7137440), (3565, 5894144), (3680, 5709952), (3968, 5295520), (4096, 5130035), (4960, 4236416), (5120, 4104028), (5704, 3683840), (5756, 3650560), (5888, 3568720), (7130, 2947072), (7195, 2920448), (7360, 2854976), (7936, 2647760), (9920, 2118208), (10240, 2052014), (11408, 1841920), (11512, 1825280), (11776, 1784360), (14260, 1473536), (14390, 1460224), (14720, 1427488), (15872, 1323880), (19840, 1059104), (20480, 1026007), (22816, 920960), (23024, 912640), (23552, 892180), (28520, 736768), (28780, 730112), (29440, 713744), (31744, 661940), (33097, 634880), (39680, 529552), (44609, 471040), (45632, 460480), (46048, 456320), (47104, 446090), (57040, 368384), (57560, 365056), (58880, 356872), (63488, 330970), (66194, 317440), (79360, 264776), (89218, 235520), (91264, 230240), (92096, 228160), (94208, 223045), (114080, 184192), (115120, 182528), (117760, 178436), (126976, 165485), (132388, 158720)]