21485632128

素因数分解:

$2^7\times 3^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{5437}}^1$

素因数の和:5746

約数の個数: 128

約数和(自身を含む): 58706907840

約数和(自身を除く): 37221275712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 128, 164, 192, 246, 251, 328, 384, 492, 502, 656, 753, 984, 1004, 1312, 1506, 1968, 2008, 2624, 3012, 3936, 4016, 5248, 5437, 6024, 7872, 8032, 10291, 10874, 12048, 15744, 16064, 16311, 20582, 21748, 24096, 30873, 32128, 32622, 41164, 43496, 48192, 61746, 65244, 82328, 86992, 96384, 123492, 130488, 164656, 173984, 222917, 246984, 260976, 329312, 347968, 445834, 493968, 521952, 658624, 668751, 695936, 891668, 987936, 1043904, 1317248, 1337502, 1364687, 1783336, 1975872, 2087808, 2675004, 2729374, 3566672, 3951744, 4094061, 5350008, 5458748, 7133344, 8188122, 10700016, 10917496, 14266688, 16376244, 21400032, 21834992, 28533376, 32752488, 42800064, 43669984, 55952167, 65504976, 85600128, 87339968, 111904334, 131009952, 167856501, 174679936, 223808668, 262019904, 335713002, 447617336, 524039808, 671426004, 895234672, 1342852008, 1790469344, 2685704016, 3580938688, 5371408032, 7161877376, 10742816064, 21485632128]

約数ペア:

[(1, 21485632128), (2, 10742816064), (3, 7161877376), (4, 5371408032), (6, 3580938688), (8, 2685704016), (12, 1790469344), (16, 1342852008), (24, 895234672), (32, 671426004), (41, 524039808), (48, 447617336), (64, 335713002), (82, 262019904), (96, 223808668), (123, 174679936), (128, 167856501), (164, 131009952), (192, 111904334), (246, 87339968), (251, 85600128), (328, 65504976), (384, 55952167), (492, 43669984), (502, 42800064), (656, 32752488), (753, 28533376), (984, 21834992), (1004, 21400032), (1312, 16376244), (1506, 14266688), (1968, 10917496), (2008, 10700016), (2624, 8188122), (3012, 7133344), (3936, 5458748), (4016, 5350008), (5248, 4094061), (5437, 3951744), (6024, 3566672), (7872, 2729374), (8032, 2675004), (10291, 2087808), (10874, 1975872), (12048, 1783336), (15744, 1364687), (16064, 1337502), (16311, 1317248), (20582, 1043904), (21748, 987936), (24096, 891668), (30873, 695936), (32128, 668751), (32622, 658624), (41164, 521952), (43496, 493968), (48192, 445834), (61746, 347968), (65244, 329312), (82328, 260976), (86992, 246984), (96384, 222917), (123492, 173984), (130488, 164656)]