21516615360

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131071}}^1$

素因数の和:131116

約数の個数: 224

約数和(自身を含む): 79901491200

約数和(自身を除く): 58384875840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 432, 456, 480, 513, 540, 570, 576, 608, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1216, 1368, 1440, 1520, 1710, 1728, 1824, 2052, 2160, 2280, 2565, 2736, 2880, 3040, 3420, 3648, 4104, 4320, 4560, 5130, 5472, 6080, 6840, 8208, 8640, 9120, 10260, 10944, 13680, 16416, 18240, 20520, 27360, 32832, 41040, 54720, 82080, 131071, 164160, 262142, 393213, 524284, 655355, 786426, 1048568, 1179639, 1310710, 1572852, 1966065, 2097136, 2359278, 2490349, 2621420, 3145704, 3538917, 3932130, 4194272, 4718556, 4980698, 5242840, 5898195, 6291408, 7077834, 7471047, 7864260, 8388544, 9437112, 9961396, 10485680, 11796390, 12451745, 12582816, 14155668, 14942094, 15728520, 17694585, 18874224, 19922792, 20971360, 22413141, 23592780, 24903490, 25165632, 28311336, 29884188, 31457040, 35389170, 37355235, 37748448, 39845584, 41942720, 44826282, 47185560, 49806980, 56622672, 59768376, 62914080, 67239423, 70778340, 74710470, 75496896, 79691168, 89652564, 94371120, 99613960, 112065705, 113245344, 119536752, 125828160, 134478846, 141556680, 149420940, 159382336, 179305128, 188742240, 199227920, 224131410, 226490688, 239073504, 268957692, 283113360, 298841880, 336197115, 358610256, 377484480, 398455840, 448262820, 478147008, 537915384, 566226720, 597683760, 672394230, 717220512, 796911680, 896525640, 1075830768, 1132453440, 1195367520, 1344788460, 1434441024, 1793051280, 2151661536, 2390735040, 2689576920, 3586102560, 4303323072, 5379153840, 7172205120, 10758307680, 21516615360]

約数ペア:

[(1, 21516615360), (2, 10758307680), (3, 7172205120), (4, 5379153840), (5, 4303323072), (6, 3586102560), (8, 2689576920), (9, 2390735040), (10, 2151661536), (12, 1793051280), (15, 1434441024), (16, 1344788460), (18, 1195367520), (19, 1132453440), (20, 1075830768), (24, 896525640), (27, 796911680), (30, 717220512), (32, 672394230), (36, 597683760), (38, 566226720), (40, 537915384), (45, 478147008), (48, 448262820), (54, 398455840), (57, 377484480), (60, 358610256), (64, 336197115), (72, 298841880), (76, 283113360), (80, 268957692), (90, 239073504), (95, 226490688), (96, 224131410), (108, 199227920), (114, 188742240), (120, 179305128), (135, 159382336), (144, 149420940), (152, 141556680), (160, 134478846), (171, 125828160), (180, 119536752), (190, 113245344), (192, 112065705), (216, 99613960), (228, 94371120), (240, 89652564), (270, 79691168), (285, 75496896), (288, 74710470), (304, 70778340), (320, 67239423), (342, 62914080), (360, 59768376), (380, 56622672), (432, 49806980), (456, 47185560), (480, 44826282), (513, 41942720), (540, 39845584), (570, 37748448), (576, 37355235), (608, 35389170), (684, 31457040), (720, 29884188), (760, 28311336), (855, 25165632), (864, 24903490), (912, 23592780), (960, 22413141), (1026, 20971360), (1080, 19922792), (1140, 18874224), (1216, 17694585), (1368, 15728520), (1440, 14942094), (1520, 14155668), (1710, 12582816), (1728, 12451745), (1824, 11796390), (2052, 10485680), (2160, 9961396), (2280, 9437112), (2565, 8388544), (2736, 7864260), (2880, 7471047), (3040, 7077834), (3420, 6291408), (3648, 5898195), (4104, 5242840), (4320, 4980698), (4560, 4718556), (5130, 4194272), (5472, 3932130), (6080, 3538917), (6840, 3145704), (8208, 2621420), (8640, 2490349), (9120, 2359278), (10260, 2097136), (10944, 1966065), (13680, 1572852), (16416, 1310710), (18240, 1179639), (20520, 1048568), (27360, 786426), (32832, 655355), (41040, 524284), (54720, 393213), (82080, 262142), (131071, 164160)]