21256032

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:740

約数の個数: 96

約数和(自身を含む): 65221632

約数和(自身を除く): 43965600

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 47, 48, 56, 84, 94, 96, 112, 141, 168, 188, 224, 282, 329, 336, 376, 564, 658, 672, 673, 752, 987, 1128, 1316, 1346, 1504, 1974, 2019, 2256, 2632, 2692, 3948, 4038, 4512, 4711, 5264, 5384, 7896, 8076, 9422, 10528, 10768, 14133, 15792, 16152, 18844, 21536, 28266, 31584, 31631, 32304, 37688, 56532, 63262, 64608, 75376, 94893, 113064, 126524, 150752, 189786, 221417, 226128, 253048, 379572, 442834, 452256, 506096, 664251, 759144, 885668, 1012192, 1328502, 1518288, 1771336, 2657004, 3036576, 3542672, 5314008, 7085344, 10628016, 21256032]

約数ペア:

[(1, 21256032), (2, 10628016), (3, 7085344), (4, 5314008), (6, 3542672), (7, 3036576), (8, 2657004), (12, 1771336), (14, 1518288), (16, 1328502), (21, 1012192), (24, 885668), (28, 759144), (32, 664251), (42, 506096), (47, 452256), (48, 442834), (56, 379572), (84, 253048), (94, 226128), (96, 221417), (112, 189786), (141, 150752), (168, 126524), (188, 113064), (224, 94893), (282, 75376), (329, 64608), (336, 63262), (376, 56532), (564, 37688), (658, 32304), (672, 31631), (673, 31584), (752, 28266), (987, 21536), (1128, 18844), (1316, 16152), (1346, 15792), (1504, 14133), (1974, 10768), (2019, 10528), (2256, 9422), (2632, 8076), (2692, 7896), (3948, 5384), (4038, 5264), (4512, 4711)]