21208083840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{21283}}^1$

素因数の和:21481

約数の個数: 192

約数和(自身を含む): 73660944240

約数和(自身を除く): 52452860400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 173, 180, 192, 240, 288, 320, 346, 360, 384, 480, 519, 576, 640, 692, 720, 865, 960, 1038, 1152, 1384, 1440, 1557, 1730, 1920, 2076, 2595, 2768, 2880, 3114, 3460, 4152, 5190, 5536, 5760, 6228, 6920, 7785, 8304, 10380, 11072, 12456, 13840, 15570, 16608, 20760, 21283, 22144, 24912, 27680, 31140, 33216, 41520, 42566, 49824, 55360, 62280, 63849, 66432, 83040, 85132, 99648, 106415, 110720, 124560, 127698, 166080, 170264, 191547, 199296, 212830, 249120, 255396, 319245, 332160, 340528, 383094, 425660, 498240, 510792, 638490, 681056, 766188, 851320, 957735, 996480, 1021584, 1276980, 1362112, 1532376, 1702640, 1915470, 2043168, 2553960, 2724224, 3064752, 3405280, 3681959, 3830940, 4086336, 5107920, 6129504, 6810560, 7363918, 7661880, 8172672, 10215840, 11045877, 12259008, 13621120, 14727836, 15323760, 18409795, 20431680, 22091754, 24518016, 29455672, 30647520, 33137631, 36819590, 40863360, 44183508, 55229385, 58911344, 61295040, 66275262, 73639180, 88367016, 110458770, 117822688, 122590080, 132550524, 147278360, 165688155, 176734032, 220917540, 235645376, 265101048, 294556720, 331376310, 353468064, 441835080, 471290752, 530202096, 589113440, 662752620, 706936128, 883670160, 1060404192, 1178226880, 1325505240, 1413872256, 1767340320, 2120808384, 2356453760, 2651010480, 3534680640, 4241616768, 5302020960, 7069361280, 10604041920, 21208083840]

約数ペア:

[(1, 21208083840), (2, 10604041920), (3, 7069361280), (4, 5302020960), (5, 4241616768), (6, 3534680640), (8, 2651010480), (9, 2356453760), (10, 2120808384), (12, 1767340320), (15, 1413872256), (16, 1325505240), (18, 1178226880), (20, 1060404192), (24, 883670160), (30, 706936128), (32, 662752620), (36, 589113440), (40, 530202096), (45, 471290752), (48, 441835080), (60, 353468064), (64, 331376310), (72, 294556720), (80, 265101048), (90, 235645376), (96, 220917540), (120, 176734032), (128, 165688155), (144, 147278360), (160, 132550524), (173, 122590080), (180, 117822688), (192, 110458770), (240, 88367016), (288, 73639180), (320, 66275262), (346, 61295040), (360, 58911344), (384, 55229385), (480, 44183508), (519, 40863360), (576, 36819590), (640, 33137631), (692, 30647520), (720, 29455672), (865, 24518016), (960, 22091754), (1038, 20431680), (1152, 18409795), (1384, 15323760), (1440, 14727836), (1557, 13621120), (1730, 12259008), (1920, 11045877), (2076, 10215840), (2595, 8172672), (2768, 7661880), (2880, 7363918), (3114, 6810560), (3460, 6129504), (4152, 5107920), (5190, 4086336), (5536, 3830940), (5760, 3681959), (6228, 3405280), (6920, 3064752), (7785, 2724224), (8304, 2553960), (10380, 2043168), (11072, 1915470), (12456, 1702640), (13840, 1532376), (15570, 1362112), (16608, 1276980), (20760, 1021584), (21283, 996480), (22144, 957735), (24912, 851320), (27680, 766188), (31140, 681056), (33216, 638490), (41520, 510792), (42566, 498240), (49824, 425660), (55360, 383094), (62280, 340528), (63849, 332160), (66432, 319245), (83040, 255396), (85132, 249120), (99648, 212830), (106415, 199296), (110720, 191547), (124560, 170264), (127698, 166080)]