21746340

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1$

素因数の和:559

約数の個数: 192

約数和(自身を含む): 84510720

約数和(自身を除く): 62764380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 330, 378, 385, 396, 420, 462, 495, 523, 540, 594, 630, 660, 693, 756, 770, 924, 945, 990, 1046, 1155, 1188, 1260, 1386, 1485, 1540, 1569, 1890, 1980, 2079, 2092, 2310, 2615, 2772, 2970, 3138, 3465, 3661, 3780, 4158, 4620, 4707, 5230, 5753, 5940, 6276, 6930, 7322, 7845, 8316, 9414, 10395, 10460, 10983, 11506, 13860, 14121, 14644, 15690, 17259, 18305, 18828, 20790, 21966, 23012, 23535, 28242, 28765, 31380, 32949, 34518, 36610, 40271, 41580, 43932, 47070, 51777, 54915, 56484, 57530, 65898, 69036, 70605, 73220, 80542, 86295, 94140, 98847, 103554, 109830, 115060, 120813, 131796, 141210, 155331, 161084, 164745, 172590, 197694, 201355, 207108, 219660, 241626, 258885, 282420, 310662, 329490, 345180, 362439, 395388, 402710, 483252, 494235, 517770, 604065, 621324, 658980, 724878, 776655, 805420, 988470, 1035540, 1087317, 1208130, 1449756, 1553310, 1812195, 1976940, 2174634, 2416260, 3106620, 3624390, 4349268, 5436585, 7248780, 10873170, 21746340]

約数ペア:

[(1, 21746340), (2, 10873170), (3, 7248780), (4, 5436585), (5, 4349268), (6, 3624390), (7, 3106620), (9, 2416260), (10, 2174634), (11, 1976940), (12, 1812195), (14, 1553310), (15, 1449756), (18, 1208130), (20, 1087317), (21, 1035540), (22, 988470), (27, 805420), (28, 776655), (30, 724878), (33, 658980), (35, 621324), (36, 604065), (42, 517770), (44, 494235), (45, 483252), (54, 402710), (55, 395388), (60, 362439), (63, 345180), (66, 329490), (70, 310662), (77, 282420), (84, 258885), (90, 241626), (99, 219660), (105, 207108), (108, 201355), (110, 197694), (126, 172590), (132, 164745), (135, 161084), (140, 155331), (154, 141210), (165, 131796), (180, 120813), (189, 115060), (198, 109830), (210, 103554), (220, 98847), (231, 94140), (252, 86295), (270, 80542), (297, 73220), (308, 70605), (315, 69036), (330, 65898), (378, 57530), (385, 56484), (396, 54915), (420, 51777), (462, 47070), (495, 43932), (523, 41580), (540, 40271), (594, 36610), (630, 34518), (660, 32949), (693, 31380), (756, 28765), (770, 28242), (924, 23535), (945, 23012), (990, 21966), (1046, 20790), (1155, 18828), (1188, 18305), (1260, 17259), (1386, 15690), (1485, 14644), (1540, 14121), (1569, 13860), (1890, 11506), (1980, 10983), (2079, 10460), (2092, 10395), (2310, 9414), (2615, 8316), (2772, 7845), (2970, 7322), (3138, 6930), (3465, 6276), (3661, 5940), (3780, 5753), (4158, 5230), (4620, 4707)]