21842730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:170

約数の個数: 192

約数和(自身を含む): 73543680

約数和(自身を除く): 51700950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 49, 54, 63, 65, 70, 78, 90, 91, 98, 105, 117, 126, 127, 130, 135, 147, 182, 189, 195, 210, 234, 245, 254, 270, 273, 294, 315, 351, 378, 381, 390, 441, 455, 490, 546, 585, 630, 635, 637, 702, 735, 762, 819, 882, 889, 910, 945, 1143, 1170, 1270, 1274, 1323, 1365, 1470, 1638, 1651, 1755, 1778, 1890, 1905, 1911, 2205, 2286, 2457, 2646, 2667, 2730, 3185, 3302, 3429, 3510, 3810, 3822, 4095, 4410, 4445, 4914, 4953, 5334, 5715, 5733, 6223, 6370, 6615, 6858, 8001, 8190, 8255, 8890, 9555, 9906, 11430, 11466, 11557, 12285, 12446, 13230, 13335, 14859, 16002, 16510, 17145, 17199, 18669, 19110, 23114, 24003, 24570, 24765, 26670, 28665, 29718, 31115, 34290, 34398, 34671, 37338, 40005, 44577, 48006, 49530, 56007, 57330, 57785, 62230, 69342, 74295, 80010, 80899, 85995, 89154, 93345, 104013, 112014, 115570, 120015, 148590, 161798, 168021, 171990, 173355, 186690, 208026, 222885, 240030, 242697, 280035, 312039, 336042, 346710, 404495, 445770, 485394, 520065, 560070, 624078, 728091, 808990, 840105, 1040130, 1213485, 1456182, 1560195, 1680210, 2184273, 2426970, 3120390, 3640455, 4368546, 7280910, 10921365, 21842730]

約数ペア:

[(1, 21842730), (2, 10921365), (3, 7280910), (5, 4368546), (6, 3640455), (7, 3120390), (9, 2426970), (10, 2184273), (13, 1680210), (14, 1560195), (15, 1456182), (18, 1213485), (21, 1040130), (26, 840105), (27, 808990), (30, 728091), (35, 624078), (39, 560070), (42, 520065), (45, 485394), (49, 445770), (54, 404495), (63, 346710), (65, 336042), (70, 312039), (78, 280035), (90, 242697), (91, 240030), (98, 222885), (105, 208026), (117, 186690), (126, 173355), (127, 171990), (130, 168021), (135, 161798), (147, 148590), (182, 120015), (189, 115570), (195, 112014), (210, 104013), (234, 93345), (245, 89154), (254, 85995), (270, 80899), (273, 80010), (294, 74295), (315, 69342), (351, 62230), (378, 57785), (381, 57330), (390, 56007), (441, 49530), (455, 48006), (490, 44577), (546, 40005), (585, 37338), (630, 34671), (635, 34398), (637, 34290), (702, 31115), (735, 29718), (762, 28665), (819, 26670), (882, 24765), (889, 24570), (910, 24003), (945, 23114), (1143, 19110), (1170, 18669), (1270, 17199), (1274, 17145), (1323, 16510), (1365, 16002), (1470, 14859), (1638, 13335), (1651, 13230), (1755, 12446), (1778, 12285), (1890, 11557), (1905, 11466), (1911, 11430), (2205, 9906), (2286, 9555), (2457, 8890), (2646, 8255), (2667, 8190), (2730, 8001), (3185, 6858), (3302, 6615), (3429, 6370), (3510, 6223), (3810, 5733), (3822, 5715), (4095, 5334), (4410, 4953), (4445, 4914)]