21000852480

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1559}}^1$

素因数の和:2464

約数の個数: 176

約数和(自身を含む): 67289639040

約数和(自身を除く): 46288786560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 877, 960, 1024, 1280, 1536, 1559, 1754, 1920, 2560, 2631, 3072, 3118, 3508, 3840, 4385, 4677, 5120, 5262, 6236, 7016, 7680, 7795, 8770, 9354, 10524, 12472, 13155, 14032, 15360, 15590, 17540, 18708, 21048, 23385, 24944, 26310, 28064, 31180, 35080, 37416, 42096, 46770, 49888, 52620, 56128, 62360, 70160, 74832, 84192, 93540, 99776, 105240, 112256, 124720, 140320, 149664, 168384, 187080, 199552, 210480, 224512, 249440, 280640, 299328, 336768, 374160, 399104, 420960, 449024, 498880, 561280, 598656, 673536, 748320, 798208, 841920, 898048, 997760, 1122560, 1197312, 1347072, 1367243, 1496640, 1596416, 1683840, 1995520, 2245120, 2394624, 2694144, 2734486, 2993280, 3367680, 3991040, 4101729, 4490240, 4789248, 5468972, 5986560, 6735360, 6836215, 7982080, 8203458, 10937944, 11973120, 13470720, 13672430, 16406916, 20508645, 21875888, 23946240, 27344860, 32813832, 41017290, 43751776, 54689720, 65627664, 82034580, 87503552, 109379440, 131255328, 164069160, 175007104, 218758880, 262510656, 328138320, 350014208, 437517760, 525021312, 656276640, 700028416, 875035520, 1050042624, 1312553280, 1400056832, 1750071040, 2100085248, 2625106560, 3500142080, 4200170496, 5250213120, 7000284160, 10500426240, 21000852480]

約数ペア:

[(1, 21000852480), (2, 10500426240), (3, 7000284160), (4, 5250213120), (5, 4200170496), (6, 3500142080), (8, 2625106560), (10, 2100085248), (12, 1750071040), (15, 1400056832), (16, 1312553280), (20, 1050042624), (24, 875035520), (30, 700028416), (32, 656276640), (40, 525021312), (48, 437517760), (60, 350014208), (64, 328138320), (80, 262510656), (96, 218758880), (120, 175007104), (128, 164069160), (160, 131255328), (192, 109379440), (240, 87503552), (256, 82034580), (320, 65627664), (384, 54689720), (480, 43751776), (512, 41017290), (640, 32813832), (768, 27344860), (877, 23946240), (960, 21875888), (1024, 20508645), (1280, 16406916), (1536, 13672430), (1559, 13470720), (1754, 11973120), (1920, 10937944), (2560, 8203458), (2631, 7982080), (3072, 6836215), (3118, 6735360), (3508, 5986560), (3840, 5468972), (4385, 4789248), (4677, 4490240), (5120, 4101729), (5262, 3991040), (6236, 3367680), (7016, 2993280), (7680, 2734486), (7795, 2694144), (8770, 2394624), (9354, 2245120), (10524, 1995520), (12472, 1683840), (13155, 1596416), (14032, 1496640), (15360, 1367243), (15590, 1347072), (17540, 1197312), (18708, 1122560), (21048, 997760), (23385, 898048), (24944, 841920), (26310, 798208), (28064, 748320), (31180, 673536), (35080, 598656), (37416, 561280), (42096, 498880), (46770, 449024), (49888, 420960), (52620, 399104), (56128, 374160), (62360, 336768), (70160, 299328), (74832, 280640), (84192, 249440), (93540, 224512), (99776, 210480), (105240, 199552), (112256, 187080), (124720, 168384), (140320, 149664)]