21371254080

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{87991}}^1$

素因数の和:88045

約数の個数: 224

約数和(自身を含む): 77241489408

約数和(自身を除く): 55870235328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 32, 33, 40, 44, 46, 48, 55, 60, 64, 66, 69, 80, 88, 92, 96, 110, 115, 120, 132, 138, 160, 165, 176, 184, 192, 220, 230, 240, 253, 264, 276, 320, 330, 345, 352, 368, 440, 460, 480, 506, 528, 552, 660, 690, 704, 736, 759, 880, 920, 960, 1012, 1056, 1104, 1265, 1320, 1380, 1472, 1518, 1760, 1840, 2024, 2112, 2208, 2530, 2640, 2760, 3036, 3520, 3680, 3795, 4048, 4416, 5060, 5280, 5520, 6072, 7360, 7590, 8096, 10120, 10560, 11040, 12144, 15180, 16192, 20240, 22080, 24288, 30360, 40480, 48576, 60720, 80960, 87991, 121440, 175982, 242880, 263973, 351964, 439955, 527946, 703928, 879910, 967901, 1055892, 1319865, 1407856, 1759820, 1935802, 2023793, 2111784, 2639730, 2815712, 2903703, 3519640, 3871604, 4047586, 4223568, 4839505, 5279460, 5631424, 5807406, 6071379, 7039280, 7743208, 8095172, 8447136, 9679010, 10118965, 10558920, 11614812, 12142758, 14078560, 14518515, 15486416, 16190344, 16894272, 19358020, 20237930, 21117840, 22261723, 23229624, 24285516, 28157120, 29037030, 30356895, 30972832, 32380688, 38716040, 40475860, 42235680, 44523446, 46459248, 48571032, 58074060, 60713790, 61945664, 64761376, 66785169, 77432080, 80951720, 84471360, 89046892, 92918496, 97142064, 111308615, 116148120, 121427580, 129522752, 133570338, 154864160, 161903440, 178093784, 185836992, 194284128, 222617230, 232296240, 242855160, 267140676, 309728320, 323806880, 333925845, 356187568, 388568256, 445234460, 464592480, 485710320, 534281352, 647613760, 667851690, 712375136, 890468920, 929184960, 971420640, 1068562704, 1335703380, 1424750272, 1780937840, 1942841280, 2137125408, 2671406760, 3561875680, 4274250816, 5342813520, 7123751360, 10685627040, 21371254080]

約数ペア:

[(1, 21371254080), (2, 10685627040), (3, 7123751360), (4, 5342813520), (5, 4274250816), (6, 3561875680), (8, 2671406760), (10, 2137125408), (11, 1942841280), (12, 1780937840), (15, 1424750272), (16, 1335703380), (20, 1068562704), (22, 971420640), (23, 929184960), (24, 890468920), (30, 712375136), (32, 667851690), (33, 647613760), (40, 534281352), (44, 485710320), (46, 464592480), (48, 445234460), (55, 388568256), (60, 356187568), (64, 333925845), (66, 323806880), (69, 309728320), (80, 267140676), (88, 242855160), (92, 232296240), (96, 222617230), (110, 194284128), (115, 185836992), (120, 178093784), (132, 161903440), (138, 154864160), (160, 133570338), (165, 129522752), (176, 121427580), (184, 116148120), (192, 111308615), (220, 97142064), (230, 92918496), (240, 89046892), (253, 84471360), (264, 80951720), (276, 77432080), (320, 66785169), (330, 64761376), (345, 61945664), (352, 60713790), (368, 58074060), (440, 48571032), (460, 46459248), (480, 44523446), (506, 42235680), (528, 40475860), (552, 38716040), (660, 32380688), (690, 30972832), (704, 30356895), (736, 29037030), (759, 28157120), (880, 24285516), (920, 23229624), (960, 22261723), (1012, 21117840), (1056, 20237930), (1104, 19358020), (1265, 16894272), (1320, 16190344), (1380, 15486416), (1472, 14518515), (1518, 14078560), (1760, 12142758), (1840, 11614812), (2024, 10558920), (2112, 10118965), (2208, 9679010), (2530, 8447136), (2640, 8095172), (2760, 7743208), (3036, 7039280), (3520, 6071379), (3680, 5807406), (3795, 5631424), (4048, 5279460), (4416, 4839505), (5060, 4223568), (5280, 4047586), (5520, 3871604), (6072, 3519640), (7360, 2903703), (7590, 2815712), (8096, 2639730), (10120, 2111784), (10560, 2023793), (11040, 1935802), (12144, 1759820), (15180, 1407856), (16192, 1319865), (20240, 1055892), (22080, 967901), (24288, 879910), (30360, 703928), (40480, 527946), (48576, 439955), (60720, 351964), (80960, 263973), (87991, 242880), (121440, 175982)]