21500251920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{1523}}^1\times {\mathrm{2801}}^1$

素因数の和:4350

約数の個数: 240

約数和(自身を含む): 82603677312

約数和(自身を除く): 61103425392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1523, 1680, 2520, 2801, 3046, 4569, 5040, 5602, 6092, 7615, 8403, 9138, 10661, 11204, 12184, 13707, 14005, 15230, 16806, 18276, 19607, 21322, 22408, 22845, 24368, 25209, 27414, 28010, 30460, 31983, 33612, 36552, 39214, 42015, 42644, 44816, 45690, 50418, 53305, 54828, 56020, 58821, 60920, 63966, 67224, 68535, 73104, 78428, 84030, 85288, 91380, 95949, 98035, 100836, 106610, 109656, 112040, 117642, 121840, 126045, 127932, 134448, 137070, 156856, 159915, 168060, 170576, 176463, 182760, 191898, 196070, 201672, 213220, 219312, 224080, 235284, 252090, 255864, 274140, 294105, 313712, 319830, 336120, 352926, 365520, 383796, 392140, 403344, 426440, 470568, 479745, 504180, 511728, 548280, 588210, 639660, 672240, 705852, 767592, 784280, 852880, 882315, 941136, 959490, 1008360, 1096560, 1176420, 1279320, 1411704, 1535184, 1568560, 1764630, 1918980, 2016720, 2352840, 2558640, 2823408, 3529260, 3837960, 4265923, 4705680, 7058520, 7675920, 8531846, 12797769, 14117040, 17063692, 21329615, 25595538, 29861461, 34127384, 38393307, 42659230, 51191076, 59722922, 63988845, 68254768, 76786614, 85318460, 89584383, 102382152, 119445844, 127977690, 149307305, 153573228, 170636920, 179168766, 191966535, 204764304, 238891688, 255955380, 268753149, 298614610, 307146456, 341273840, 358337532, 383933070, 447921915, 477783376, 511910760, 537506298, 597229220, 614292912, 716675064, 767866140, 895843830, 1023821520, 1075012596, 1194458440, 1343765745, 1433350128, 1535732280, 1791687660, 2150025192, 2388916880, 2687531490, 3071464560, 3583375320, 4300050384, 5375062980, 7166750640, 10750125960, 21500251920]

約数ペア:

[(1, 21500251920), (2, 10750125960), (3, 7166750640), (4, 5375062980), (5, 4300050384), (6, 3583375320), (7, 3071464560), (8, 2687531490), (9, 2388916880), (10, 2150025192), (12, 1791687660), (14, 1535732280), (15, 1433350128), (16, 1343765745), (18, 1194458440), (20, 1075012596), (21, 1023821520), (24, 895843830), (28, 767866140), (30, 716675064), (35, 614292912), (36, 597229220), (40, 537506298), (42, 511910760), (45, 477783376), (48, 447921915), (56, 383933070), (60, 358337532), (63, 341273840), (70, 307146456), (72, 298614610), (80, 268753149), (84, 255955380), (90, 238891688), (105, 204764304), (112, 191966535), (120, 179168766), (126, 170636920), (140, 153573228), (144, 149307305), (168, 127977690), (180, 119445844), (210, 102382152), (240, 89584383), (252, 85318460), (280, 76786614), (315, 68254768), (336, 63988845), (360, 59722922), (420, 51191076), (504, 42659230), (560, 38393307), (630, 34127384), (720, 29861461), (840, 25595538), (1008, 21329615), (1260, 17063692), (1523, 14117040), (1680, 12797769), (2520, 8531846), (2801, 7675920), (3046, 7058520), (4569, 4705680), (5040, 4265923), (5602, 3837960), (6092, 3529260), (7615, 2823408), (8403, 2558640), (9138, 2352840), (10661, 2016720), (11204, 1918980), (12184, 1764630), (13707, 1568560), (14005, 1535184), (15230, 1411704), (16806, 1279320), (18276, 1176420), (19607, 1096560), (21322, 1008360), (22408, 959490), (22845, 941136), (24368, 882315), (25209, 852880), (27414, 784280), (28010, 767592), (30460, 705852), (31983, 672240), (33612, 639660), (36552, 588210), (39214, 548280), (42015, 511728), (42644, 504180), (44816, 479745), (45690, 470568), (50418, 426440), (53305, 403344), (54828, 392140), (56020, 383796), (58821, 365520), (60920, 352926), (63966, 336120), (67224, 319830), (68535, 313712), (73104, 294105), (78428, 274140), (84030, 255864), (85288, 252090), (91380, 235284), (95949, 224080), (98035, 219312), (100836, 213220), (106610, 201672), (109656, 196070), (112040, 191898), (117642, 182760), (121840, 176463), (126045, 170576), (127932, 168060), (134448, 159915), (137070, 156856)]