21413700

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:144

約数の個数: 288

約数和(自身を含む): 86661120

約数和(自身を除く): 65247420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 25, 27, 28, 30, 33, 35, 36, 42, 44, 45, 50, 54, 55, 60, 63, 66, 70, 75, 77, 84, 90, 99, 100, 103, 105, 108, 110, 126, 132, 135, 140, 150, 154, 165, 175, 180, 189, 198, 206, 210, 220, 225, 231, 252, 270, 275, 297, 300, 308, 309, 315, 330, 350, 378, 385, 396, 412, 420, 450, 462, 495, 515, 525, 540, 550, 594, 618, 630, 660, 675, 693, 700, 721, 756, 770, 825, 900, 924, 927, 945, 990, 1030, 1050, 1100, 1133, 1155, 1188, 1236, 1260, 1350, 1386, 1442, 1485, 1540, 1545, 1575, 1650, 1854, 1890, 1925, 1980, 2060, 2079, 2100, 2163, 2266, 2310, 2475, 2575, 2700, 2772, 2781, 2884, 2970, 3090, 3150, 3300, 3399, 3465, 3605, 3708, 3780, 3850, 4158, 4326, 4532, 4620, 4635, 4725, 4950, 5150, 5562, 5665, 5775, 5940, 6180, 6300, 6489, 6798, 6930, 7210, 7425, 7700, 7725, 7931, 8316, 8652, 9270, 9450, 9900, 10197, 10300, 10395, 10815, 11124, 11330, 11550, 12978, 13596, 13860, 13905, 14420, 14850, 15450, 15862, 16995, 17325, 18025, 18540, 18900, 19467, 20394, 20790, 21630, 22660, 23100, 23175, 23793, 25956, 27810, 28325, 29700, 30591, 30900, 31724, 32445, 33990, 34650, 36050, 38934, 39655, 40788, 41580, 43260, 46350, 47586, 50985, 51975, 54075, 55620, 56650, 61182, 64890, 67980, 69300, 69525, 71379, 72100, 77868, 79310, 84975, 92700, 95172, 97335, 101970, 103950, 108150, 113300, 118965, 122364, 129780, 139050, 142758, 152955, 158620, 162225, 169950, 194670, 198275, 203940, 207900, 214137, 216300, 237930, 254925, 278100, 285516, 305910, 324450, 339900, 356895, 389340, 396550, 428274, 475860, 486675, 509850, 594825, 611820, 648900, 713790, 764775, 793100, 856548, 973350, 1019700, 1070685, 1189650, 1427580, 1529550, 1784475, 1946700, 2141370, 2379300, 3059100, 3568950, 4282740, 5353425, 7137900, 10706850, 21413700]

約数ペア:

[(1, 21413700), (2, 10706850), (3, 7137900), (4, 5353425), (5, 4282740), (6, 3568950), (7, 3059100), (9, 2379300), (10, 2141370), (11, 1946700), (12, 1784475), (14, 1529550), (15, 1427580), (18, 1189650), (20, 1070685), (21, 1019700), (22, 973350), (25, 856548), (27, 793100), (28, 764775), (30, 713790), (33, 648900), (35, 611820), (36, 594825), (42, 509850), (44, 486675), (45, 475860), (50, 428274), (54, 396550), (55, 389340), (60, 356895), (63, 339900), (66, 324450), (70, 305910), (75, 285516), (77, 278100), (84, 254925), (90, 237930), (99, 216300), (100, 214137), (103, 207900), (105, 203940), (108, 198275), (110, 194670), (126, 169950), (132, 162225), (135, 158620), (140, 152955), (150, 142758), (154, 139050), (165, 129780), (175, 122364), (180, 118965), (189, 113300), (198, 108150), (206, 103950), (210, 101970), (220, 97335), (225, 95172), (231, 92700), (252, 84975), (270, 79310), (275, 77868), (297, 72100), (300, 71379), (308, 69525), (309, 69300), (315, 67980), (330, 64890), (350, 61182), (378, 56650), (385, 55620), (396, 54075), (412, 51975), (420, 50985), (450, 47586), (462, 46350), (495, 43260), (515, 41580), (525, 40788), (540, 39655), (550, 38934), (594, 36050), (618, 34650), (630, 33990), (660, 32445), (675, 31724), (693, 30900), (700, 30591), (721, 29700), (756, 28325), (770, 27810), (825, 25956), (900, 23793), (924, 23175), (927, 23100), (945, 22660), (990, 21630), (1030, 20790), (1050, 20394), (1100, 19467), (1133, 18900), (1155, 18540), (1188, 18025), (1236, 17325), (1260, 16995), (1350, 15862), (1386, 15450), (1442, 14850), (1485, 14420), (1540, 13905), (1545, 13860), (1575, 13596), (1650, 12978), (1854, 11550), (1890, 11330), (1925, 11124), (1980, 10815), (2060, 10395), (2079, 10300), (2100, 10197), (2163, 9900), (2266, 9450), (2310, 9270), (2475, 8652), (2575, 8316), (2700, 7931), (2772, 7725), (2781, 7700), (2884, 7425), (2970, 7210), (3090, 6930), (3150, 6798), (3300, 6489), (3399, 6300), (3465, 6180), (3605, 5940), (3708, 5775), (3780, 5665), (3850, 5562), (4158, 5150), (4326, 4950), (4532, 4725), (4620, 4635)]