21072960

素因数分解:

$2^6\times 3^5\times 5^1\times {\mathrm{271}}^1$

素因数の和:303

約数の個数: 168

約数和(自身を含む): 75444096

約数和(自身を除く): 54371136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 271, 288, 320, 324, 360, 405, 432, 480, 486, 540, 542, 576, 648, 720, 810, 813, 864, 960, 972, 1080, 1084, 1215, 1296, 1355, 1440, 1620, 1626, 1728, 1944, 2160, 2168, 2430, 2439, 2592, 2710, 2880, 3240, 3252, 3888, 4065, 4320, 4336, 4860, 4878, 5184, 5420, 6480, 6504, 7317, 7776, 8130, 8640, 8672, 9720, 9756, 10840, 12195, 12960, 13008, 14634, 15552, 16260, 17344, 19440, 19512, 21680, 21951, 24390, 25920, 26016, 29268, 32520, 36585, 38880, 39024, 43360, 43902, 48780, 52032, 58536, 65040, 65853, 73170, 77760, 78048, 86720, 87804, 97560, 109755, 117072, 130080, 131706, 146340, 156096, 175608, 195120, 219510, 234144, 260160, 263412, 292680, 329265, 351216, 390240, 439020, 468288, 526824, 585360, 658530, 702432, 780480, 878040, 1053648, 1170720, 1317060, 1404864, 1756080, 2107296, 2341440, 2634120, 3512160, 4214592, 5268240, 7024320, 10536480, 21072960]

約数ペア:

[(1, 21072960), (2, 10536480), (3, 7024320), (4, 5268240), (5, 4214592), (6, 3512160), (8, 2634120), (9, 2341440), (10, 2107296), (12, 1756080), (15, 1404864), (16, 1317060), (18, 1170720), (20, 1053648), (24, 878040), (27, 780480), (30, 702432), (32, 658530), (36, 585360), (40, 526824), (45, 468288), (48, 439020), (54, 390240), (60, 351216), (64, 329265), (72, 292680), (80, 263412), (81, 260160), (90, 234144), (96, 219510), (108, 195120), (120, 175608), (135, 156096), (144, 146340), (160, 131706), (162, 130080), (180, 117072), (192, 109755), (216, 97560), (240, 87804), (243, 86720), (270, 78048), (271, 77760), (288, 73170), (320, 65853), (324, 65040), (360, 58536), (405, 52032), (432, 48780), (480, 43902), (486, 43360), (540, 39024), (542, 38880), (576, 36585), (648, 32520), (720, 29268), (810, 26016), (813, 25920), (864, 24390), (960, 21951), (972, 21680), (1080, 19512), (1084, 19440), (1215, 17344), (1296, 16260), (1355, 15552), (1440, 14634), (1620, 13008), (1626, 12960), (1728, 12195), (1944, 10840), (2160, 9756), (2168, 9720), (2430, 8672), (2439, 8640), (2592, 8130), (2710, 7776), (2880, 7317), (3240, 6504), (3252, 6480), (3888, 5420), (4065, 5184), (4320, 4878), (4336, 4860)]