21135600

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:149

約数の個数: 240

約数和(自身を含む): 79955200

約数和(自身を除く): 58819600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 27, 30, 36, 38, 40, 45, 48, 50, 54, 57, 60, 72, 75, 76, 80, 90, 95, 100, 103, 108, 114, 120, 135, 144, 150, 152, 171, 180, 190, 200, 206, 216, 225, 228, 240, 270, 285, 300, 304, 309, 342, 360, 380, 400, 412, 432, 450, 456, 475, 513, 515, 540, 570, 600, 618, 675, 684, 720, 760, 824, 855, 900, 912, 927, 950, 1026, 1030, 1080, 1140, 1200, 1236, 1350, 1368, 1425, 1520, 1545, 1648, 1710, 1800, 1854, 1900, 1957, 2052, 2060, 2160, 2280, 2472, 2565, 2575, 2700, 2736, 2781, 2850, 3090, 3420, 3600, 3708, 3800, 3914, 4104, 4120, 4275, 4560, 4635, 4944, 5130, 5150, 5400, 5562, 5700, 5871, 6180, 6840, 7416, 7600, 7725, 7828, 8208, 8240, 8550, 9270, 9785, 10260, 10300, 10800, 11124, 11400, 11742, 12360, 12825, 13680, 13905, 14832, 15450, 15656, 17100, 17613, 18540, 19570, 20520, 20600, 22248, 22800, 23175, 23484, 24720, 25650, 27810, 29355, 30900, 31312, 34200, 35226, 37080, 39140, 41040, 41200, 44496, 46350, 46968, 48925, 51300, 52839, 55620, 58710, 61800, 68400, 69525, 70452, 74160, 78280, 88065, 92700, 93936, 97850, 102600, 105678, 111240, 117420, 123600, 139050, 140904, 146775, 156560, 176130, 185400, 195700, 205200, 211356, 222480, 234840, 264195, 278100, 281808, 293550, 352260, 370800, 391400, 422712, 440325, 469680, 528390, 556200, 587100, 704520, 782800, 845424, 880650, 1056780, 1112400, 1174200, 1320975, 1409040, 1761300, 2113560, 2348400, 2641950, 3522600, 4227120, 5283900, 7045200, 10567800, 21135600]

約数ペア:

[(1, 21135600), (2, 10567800), (3, 7045200), (4, 5283900), (5, 4227120), (6, 3522600), (8, 2641950), (9, 2348400), (10, 2113560), (12, 1761300), (15, 1409040), (16, 1320975), (18, 1174200), (19, 1112400), (20, 1056780), (24, 880650), (25, 845424), (27, 782800), (30, 704520), (36, 587100), (38, 556200), (40, 528390), (45, 469680), (48, 440325), (50, 422712), (54, 391400), (57, 370800), (60, 352260), (72, 293550), (75, 281808), (76, 278100), (80, 264195), (90, 234840), (95, 222480), (100, 211356), (103, 205200), (108, 195700), (114, 185400), (120, 176130), (135, 156560), (144, 146775), (150, 140904), (152, 139050), (171, 123600), (180, 117420), (190, 111240), (200, 105678), (206, 102600), (216, 97850), (225, 93936), (228, 92700), (240, 88065), (270, 78280), (285, 74160), (300, 70452), (304, 69525), (309, 68400), (342, 61800), (360, 58710), (380, 55620), (400, 52839), (412, 51300), (432, 48925), (450, 46968), (456, 46350), (475, 44496), (513, 41200), (515, 41040), (540, 39140), (570, 37080), (600, 35226), (618, 34200), (675, 31312), (684, 30900), (720, 29355), (760, 27810), (824, 25650), (855, 24720), (900, 23484), (912, 23175), (927, 22800), (950, 22248), (1026, 20600), (1030, 20520), (1080, 19570), (1140, 18540), (1200, 17613), (1236, 17100), (1350, 15656), (1368, 15450), (1425, 14832), (1520, 13905), (1545, 13680), (1648, 12825), (1710, 12360), (1800, 11742), (1854, 11400), (1900, 11124), (1957, 10800), (2052, 10300), (2060, 10260), (2160, 9785), (2280, 9270), (2472, 8550), (2565, 8240), (2575, 8208), (2700, 7828), (2736, 7725), (2781, 7600), (2850, 7416), (3090, 6840), (3420, 6180), (3600, 5871), (3708, 5700), (3800, 5562), (3914, 5400), (4104, 5150), (4120, 5130), (4275, 4944), (4560, 4635)]