21528562188

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{6827}}^1$

素因数の和:7052

約数の個数: 144

約数和(自身を含む): 60677213184

約数和(自身を除く): 39148650996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 173, 186, 196, 217, 294, 346, 372, 434, 519, 588, 651, 692, 868, 1038, 1211, 1302, 1519, 2076, 2422, 2604, 3038, 3633, 4557, 4844, 5363, 6076, 6827, 7266, 8477, 9114, 10726, 13654, 14532, 16089, 16954, 18228, 20481, 21452, 25431, 27308, 32178, 33908, 37541, 40962, 47789, 50862, 64356, 75082, 81924, 95578, 101724, 112623, 143367, 150164, 191156, 211637, 225246, 262787, 286734, 334523, 423274, 450492, 525574, 573468, 634911, 669046, 788361, 846548, 1003569, 1051148, 1181071, 1269822, 1338092, 1481459, 1576722, 2007138, 2362142, 2539644, 2962918, 3153444, 3543213, 4014276, 4444377, 4724284, 5925836, 7086426, 8267497, 8888754, 10370213, 14172852, 16534994, 17777508, 20740426, 24802491, 31110639, 33069988, 36613201, 41480852, 49604982, 57872479, 62221278, 73226402, 99209964, 109839603, 115744958, 124442556, 146452804, 173617437, 219679206, 231489916, 256292407, 347234874, 439358412, 512584814, 694469748, 768877221, 1025169628, 1537754442, 1794046849, 3075508884, 3588093698, 5382140547, 7176187396, 10764281094, 21528562188]

約数ペア:

[(1, 21528562188), (2, 10764281094), (3, 7176187396), (4, 5382140547), (6, 3588093698), (7, 3075508884), (12, 1794046849), (14, 1537754442), (21, 1025169628), (28, 768877221), (31, 694469748), (42, 512584814), (49, 439358412), (62, 347234874), (84, 256292407), (93, 231489916), (98, 219679206), (124, 173617437), (147, 146452804), (173, 124442556), (186, 115744958), (196, 109839603), (217, 99209964), (294, 73226402), (346, 62221278), (372, 57872479), (434, 49604982), (519, 41480852), (588, 36613201), (651, 33069988), (692, 31110639), (868, 24802491), (1038, 20740426), (1211, 17777508), (1302, 16534994), (1519, 14172852), (2076, 10370213), (2422, 8888754), (2604, 8267497), (3038, 7086426), (3633, 5925836), (4557, 4724284), (4844, 4444377), (5363, 4014276), (6076, 3543213), (6827, 3153444), (7266, 2962918), (8477, 2539644), (9114, 2362142), (10726, 2007138), (13654, 1576722), (14532, 1481459), (16089, 1338092), (16954, 1269822), (18228, 1181071), (20481, 1051148), (21452, 1003569), (25431, 846548), (27308, 788361), (32178, 669046), (33908, 634911), (37541, 573468), (40962, 525574), (47789, 450492), (50862, 423274), (64356, 334523), (75082, 286734), (81924, 262787), (95578, 225246), (101724, 211637), (112623, 191156), (143367, 150164)]