21035856

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 57202688

約数和(自身を除く): 36166832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 67, 93, 124, 134, 186, 201, 211, 248, 268, 372, 402, 422, 496, 536, 633, 744, 804, 844, 1072, 1266, 1488, 1608, 1688, 2077, 2532, 3216, 3376, 4154, 5064, 6231, 6541, 8308, 10128, 12462, 13082, 14137, 16616, 19623, 24924, 26164, 28274, 33232, 39246, 42411, 49848, 52328, 56548, 78492, 84822, 99696, 104656, 113096, 156984, 169644, 226192, 313968, 339288, 438247, 678576, 876494, 1314741, 1752988, 2629482, 3505976, 5258964, 7011952, 10517928, 21035856]

約数ペア:

[(1, 21035856), (2, 10517928), (3, 7011952), (4, 5258964), (6, 3505976), (8, 2629482), (12, 1752988), (16, 1314741), (24, 876494), (31, 678576), (48, 438247), (62, 339288), (67, 313968), (93, 226192), (124, 169644), (134, 156984), (186, 113096), (201, 104656), (211, 99696), (248, 84822), (268, 78492), (372, 56548), (402, 52328), (422, 49848), (496, 42411), (536, 39246), (633, 33232), (744, 28274), (804, 26164), (844, 24924), (1072, 19623), (1266, 16616), (1488, 14137), (1608, 13082), (1688, 12462), (2077, 10128), (2532, 8308), (3216, 6541), (3376, 6231), (4154, 5064)]