21927360

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:291

約数の個数: 224

約数和(自身を含む): 86026752

約数和(自身を除く): 64099392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 251, 260, 273, 280, 312, 320, 336, 364, 390, 416, 420, 448, 455, 480, 502, 520, 546, 560, 624, 672, 728, 753, 780, 832, 840, 910, 960, 1004, 1040, 1092, 1120, 1248, 1255, 1344, 1365, 1456, 1506, 1560, 1680, 1757, 1820, 2008, 2080, 2184, 2240, 2496, 2510, 2730, 2912, 3012, 3120, 3263, 3360, 3514, 3640, 3765, 4016, 4160, 4368, 5020, 5271, 5460, 5824, 6024, 6240, 6526, 6720, 7028, 7280, 7530, 8032, 8736, 8785, 9789, 10040, 10542, 10920, 12048, 12480, 13052, 14056, 14560, 15060, 16064, 16315, 17472, 17570, 19578, 20080, 21084, 21840, 22841, 24096, 26104, 26355, 28112, 29120, 30120, 32630, 35140, 39156, 40160, 42168, 43680, 45682, 48192, 48945, 52208, 52710, 56224, 60240, 65260, 68523, 70280, 78312, 80320, 84336, 87360, 91364, 97890, 104416, 105420, 112448, 114205, 120480, 130520, 137046, 140560, 156624, 168672, 182728, 195780, 208832, 210840, 228410, 240960, 261040, 274092, 281120, 313248, 337344, 342615, 365456, 391560, 421680, 456820, 522080, 548184, 562240, 626496, 685230, 730912, 783120, 843360, 913640, 1044160, 1096368, 1370460, 1461824, 1566240, 1686720, 1827280, 2192736, 2740920, 3132480, 3654560, 4385472, 5481840, 7309120, 10963680, 21927360]

約数ペア:

[(1, 21927360), (2, 10963680), (3, 7309120), (4, 5481840), (5, 4385472), (6, 3654560), (7, 3132480), (8, 2740920), (10, 2192736), (12, 1827280), (13, 1686720), (14, 1566240), (15, 1461824), (16, 1370460), (20, 1096368), (21, 1044160), (24, 913640), (26, 843360), (28, 783120), (30, 730912), (32, 685230), (35, 626496), (39, 562240), (40, 548184), (42, 522080), (48, 456820), (52, 421680), (56, 391560), (60, 365456), (64, 342615), (65, 337344), (70, 313248), (78, 281120), (80, 274092), (84, 261040), (91, 240960), (96, 228410), (104, 210840), (105, 208832), (112, 195780), (120, 182728), (130, 168672), (140, 156624), (156, 140560), (160, 137046), (168, 130520), (182, 120480), (192, 114205), (195, 112448), (208, 105420), (210, 104416), (224, 97890), (240, 91364), (251, 87360), (260, 84336), (273, 80320), (280, 78312), (312, 70280), (320, 68523), (336, 65260), (364, 60240), (390, 56224), (416, 52710), (420, 52208), (448, 48945), (455, 48192), (480, 45682), (502, 43680), (520, 42168), (546, 40160), (560, 39156), (624, 35140), (672, 32630), (728, 30120), (753, 29120), (780, 28112), (832, 26355), (840, 26104), (910, 24096), (960, 22841), (1004, 21840), (1040, 21084), (1092, 20080), (1120, 19578), (1248, 17570), (1255, 17472), (1344, 16315), (1365, 16064), (1456, 15060), (1506, 14560), (1560, 14056), (1680, 13052), (1757, 12480), (1820, 12048), (2008, 10920), (2080, 10542), (2184, 10040), (2240, 9789), (2496, 8785), (2510, 8736), (2730, 8032), (2912, 7530), (3012, 7280), (3120, 7028), (3263, 6720), (3360, 6526), (3514, 6240), (3640, 6024), (3765, 5824), (4016, 5460), (4160, 5271), (4368, 5020)]