21371519040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{31223}}^1$

素因数の和:31297

約数の個数: 224

約数和(自身を含む): 73091137536

約数和(自身を除く): 51719618496

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, 138, 155, 160, 184, 186, 192, 230, 240, 248, 276, 310, 320, 345, 368, 372, 460, 465, 480, 496, 552, 620, 690, 713, 736, 744, 920, 930, 960, 992, 1104, 1240, 1380, 1426, 1472, 1488, 1840, 1860, 1984, 2139, 2208, 2480, 2760, 2852, 2976, 3565, 3680, 3720, 4278, 4416, 4960, 5520, 5704, 5952, 7130, 7360, 7440, 8556, 9920, 10695, 11040, 11408, 14260, 14880, 17112, 21390, 22080, 22816, 28520, 29760, 31223, 34224, 42780, 45632, 57040, 62446, 68448, 85560, 93669, 114080, 124892, 136896, 156115, 171120, 187338, 228160, 249784, 312230, 342240, 374676, 468345, 499568, 624460, 684480, 718129, 749352, 936690, 967913, 999136, 1248920, 1436258, 1498704, 1873380, 1935826, 1998272, 2154387, 2497840, 2872516, 2903739, 2997408, 3590645, 3746760, 3871652, 4308774, 4839565, 4995680, 5745032, 5807478, 5994816, 7181290, 7493520, 7743304, 8617548, 9679130, 9991360, 10771935, 11490064, 11614956, 14362580, 14518695, 14987040, 15486608, 17235096, 19358260, 21543870, 22261999, 22980128, 23229912, 28725160, 29037390, 29974080, 30973216, 34470192, 38716520, 43087740, 44523998, 45960256, 46459824, 57450320, 58074780, 61946432, 66785997, 68940384, 77433040, 86175480, 89047996, 92919648, 111309995, 114900640, 116149560, 133571994, 137880768, 154866080, 172350960, 178095992, 185839296, 222619990, 229801280, 232299120, 267143988, 309732160, 333929985, 344701920, 356191984, 445239980, 464598240, 534287976, 667859970, 689403840, 712383968, 890479960, 929196480, 1068575952, 1335719940, 1424767936, 1780959920, 2137151904, 2671439880, 3561919840, 4274303808, 5342879760, 7123839680, 10685759520, 21371519040]

約数ペア:

[(1, 21371519040), (2, 10685759520), (3, 7123839680), (4, 5342879760), (5, 4274303808), (6, 3561919840), (8, 2671439880), (10, 2137151904), (12, 1780959920), (15, 1424767936), (16, 1335719940), (20, 1068575952), (23, 929196480), (24, 890479960), (30, 712383968), (31, 689403840), (32, 667859970), (40, 534287976), (46, 464598240), (48, 445239980), (60, 356191984), (62, 344701920), (64, 333929985), (69, 309732160), (80, 267143988), (92, 232299120), (93, 229801280), (96, 222619990), (115, 185839296), (120, 178095992), (124, 172350960), (138, 154866080), (155, 137880768), (160, 133571994), (184, 116149560), (186, 114900640), (192, 111309995), (230, 92919648), (240, 89047996), (248, 86175480), (276, 77433040), (310, 68940384), (320, 66785997), (345, 61946432), (368, 58074780), (372, 57450320), (460, 46459824), (465, 45960256), (480, 44523998), (496, 43087740), (552, 38716520), (620, 34470192), (690, 30973216), (713, 29974080), (736, 29037390), (744, 28725160), (920, 23229912), (930, 22980128), (960, 22261999), (992, 21543870), (1104, 19358260), (1240, 17235096), (1380, 15486608), (1426, 14987040), (1472, 14518695), (1488, 14362580), (1840, 11614956), (1860, 11490064), (1984, 10771935), (2139, 9991360), (2208, 9679130), (2480, 8617548), (2760, 7743304), (2852, 7493520), (2976, 7181290), (3565, 5994816), (3680, 5807478), (3720, 5745032), (4278, 4995680), (4416, 4839565), (4960, 4308774), (5520, 3871652), (5704, 3746760), (5952, 3590645), (7130, 2997408), (7360, 2903739), (7440, 2872516), (8556, 2497840), (9920, 2154387), (10695, 1998272), (11040, 1935826), (11408, 1873380), (14260, 1498704), (14880, 1436258), (17112, 1248920), (21390, 999136), (22080, 967913), (22816, 936690), (28520, 749352), (29760, 718129), (31223, 684480), (34224, 624460), (42780, 499568), (45632, 468345), (57040, 374676), (62446, 342240), (68448, 312230), (85560, 249784), (93669, 228160), (114080, 187338), (124892, 171120), (136896, 156115)]