21043968

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 63576576

約数和(自身を除く): 42532608

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 47, 48, 53, 64, 66, 88, 94, 96, 106, 128, 132, 141, 159, 176, 188, 192, 212, 256, 264, 282, 318, 352, 376, 384, 424, 517, 528, 564, 583, 636, 704, 752, 768, 848, 1034, 1056, 1128, 1166, 1272, 1408, 1504, 1551, 1696, 1749, 2068, 2112, 2256, 2332, 2491, 2544, 2816, 3008, 3102, 3392, 3498, 4136, 4224, 4512, 4664, 4982, 5088, 6016, 6204, 6784, 6996, 7473, 8272, 8448, 9024, 9328, 9964, 10176, 12032, 12408, 13568, 13992, 14946, 16544, 18048, 18656, 19928, 20352, 24816, 27401, 27984, 29892, 33088, 36096, 37312, 39856, 40704, 49632, 54802, 55968, 59784, 66176, 74624, 79712, 82203, 99264, 109604, 111936, 119568, 132352, 149248, 159424, 164406, 198528, 219208, 223872, 239136, 318848, 328812, 397056, 438416, 447744, 478272, 637696, 657624, 876832, 956544, 1315248, 1753664, 1913088, 2630496, 3507328, 5260992, 7014656, 10521984, 21043968]

約数ペア:

[(1, 21043968), (2, 10521984), (3, 7014656), (4, 5260992), (6, 3507328), (8, 2630496), (11, 1913088), (12, 1753664), (16, 1315248), (22, 956544), (24, 876832), (32, 657624), (33, 637696), (44, 478272), (47, 447744), (48, 438416), (53, 397056), (64, 328812), (66, 318848), (88, 239136), (94, 223872), (96, 219208), (106, 198528), (128, 164406), (132, 159424), (141, 149248), (159, 132352), (176, 119568), (188, 111936), (192, 109604), (212, 99264), (256, 82203), (264, 79712), (282, 74624), (318, 66176), (352, 59784), (376, 55968), (384, 54802), (424, 49632), (517, 40704), (528, 39856), (564, 37312), (583, 36096), (636, 33088), (704, 29892), (752, 27984), (768, 27401), (848, 24816), (1034, 20352), (1056, 19928), (1128, 18656), (1166, 18048), (1272, 16544), (1408, 14946), (1504, 13992), (1551, 13568), (1696, 12408), (1749, 12032), (2068, 10176), (2112, 9964), (2256, 9328), (2332, 9024), (2491, 8448), (2544, 8272), (2816, 7473), (3008, 6996), (3102, 6784), (3392, 6204), (3498, 6016), (4136, 5088), (4224, 4982), (4512, 4664)]