21956400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:153

約数の個数: 240

約数和(自身を含む): 83030400

約数和(自身を除く): 61074000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 27, 30, 36, 38, 40, 45, 48, 50, 54, 57, 60, 72, 75, 76, 80, 90, 95, 100, 107, 108, 114, 120, 135, 144, 150, 152, 171, 180, 190, 200, 214, 216, 225, 228, 240, 270, 285, 300, 304, 321, 342, 360, 380, 400, 428, 432, 450, 456, 475, 513, 535, 540, 570, 600, 642, 675, 684, 720, 760, 855, 856, 900, 912, 950, 963, 1026, 1070, 1080, 1140, 1200, 1284, 1350, 1368, 1425, 1520, 1605, 1710, 1712, 1800, 1900, 1926, 2033, 2052, 2140, 2160, 2280, 2565, 2568, 2675, 2700, 2736, 2850, 2889, 3210, 3420, 3600, 3800, 3852, 4066, 4104, 4275, 4280, 4560, 4815, 5130, 5136, 5350, 5400, 5700, 5778, 6099, 6420, 6840, 7600, 7704, 8025, 8132, 8208, 8550, 8560, 9630, 10165, 10260, 10700, 10800, 11400, 11556, 12198, 12825, 12840, 13680, 14445, 15408, 16050, 16264, 17100, 18297, 19260, 20330, 20520, 21400, 22800, 23112, 24075, 24396, 25650, 25680, 28890, 30495, 32100, 32528, 34200, 36594, 38520, 40660, 41040, 42800, 46224, 48150, 48792, 50825, 51300, 54891, 57780, 60990, 64200, 68400, 72225, 73188, 77040, 81320, 91485, 96300, 97584, 101650, 102600, 109782, 115560, 121980, 128400, 144450, 146376, 152475, 162640, 182970, 192600, 203300, 205200, 219564, 231120, 243960, 274455, 288900, 292752, 304950, 365940, 385200, 406600, 439128, 457425, 487920, 548910, 577800, 609900, 731880, 813200, 878256, 914850, 1097820, 1155600, 1219800, 1372275, 1463760, 1829700, 2195640, 2439600, 2744550, 3659400, 4391280, 5489100, 7318800, 10978200, 21956400]

約数ペア:

[(1, 21956400), (2, 10978200), (3, 7318800), (4, 5489100), (5, 4391280), (6, 3659400), (8, 2744550), (9, 2439600), (10, 2195640), (12, 1829700), (15, 1463760), (16, 1372275), (18, 1219800), (19, 1155600), (20, 1097820), (24, 914850), (25, 878256), (27, 813200), (30, 731880), (36, 609900), (38, 577800), (40, 548910), (45, 487920), (48, 457425), (50, 439128), (54, 406600), (57, 385200), (60, 365940), (72, 304950), (75, 292752), (76, 288900), (80, 274455), (90, 243960), (95, 231120), (100, 219564), (107, 205200), (108, 203300), (114, 192600), (120, 182970), (135, 162640), (144, 152475), (150, 146376), (152, 144450), (171, 128400), (180, 121980), (190, 115560), (200, 109782), (214, 102600), (216, 101650), (225, 97584), (228, 96300), (240, 91485), (270, 81320), (285, 77040), (300, 73188), (304, 72225), (321, 68400), (342, 64200), (360, 60990), (380, 57780), (400, 54891), (428, 51300), (432, 50825), (450, 48792), (456, 48150), (475, 46224), (513, 42800), (535, 41040), (540, 40660), (570, 38520), (600, 36594), (642, 34200), (675, 32528), (684, 32100), (720, 30495), (760, 28890), (855, 25680), (856, 25650), (900, 24396), (912, 24075), (950, 23112), (963, 22800), (1026, 21400), (1070, 20520), (1080, 20330), (1140, 19260), (1200, 18297), (1284, 17100), (1350, 16264), (1368, 16050), (1425, 15408), (1520, 14445), (1605, 13680), (1710, 12840), (1712, 12825), (1800, 12198), (1900, 11556), (1926, 11400), (2033, 10800), (2052, 10700), (2140, 10260), (2160, 10165), (2280, 9630), (2565, 8560), (2568, 8550), (2675, 8208), (2700, 8132), (2736, 8025), (2850, 7704), (2889, 7600), (3210, 6840), (3420, 6420), (3600, 6099), (3800, 5778), (3852, 5700), (4066, 5400), (4104, 5350), (4275, 5136), (4280, 5130), (4560, 4815)]