21908250

素因数分解:

$2^1\times 3^2\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:150

約数の個数: 192

約数和(自身を含む): 73592064

約数和(自身を除く): 51683814

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 25, 26, 30, 35, 39, 42, 45, 50, 63, 65, 70, 75, 78, 90, 91, 105, 107, 117, 125, 126, 130, 150, 175, 182, 195, 210, 214, 225, 234, 250, 273, 315, 321, 325, 350, 375, 390, 450, 455, 525, 535, 546, 585, 630, 642, 650, 749, 750, 819, 875, 910, 963, 975, 1050, 1070, 1125, 1170, 1365, 1391, 1498, 1575, 1605, 1625, 1638, 1750, 1926, 1950, 2247, 2250, 2275, 2625, 2675, 2730, 2782, 2925, 3150, 3210, 3250, 3745, 4095, 4173, 4494, 4550, 4815, 4875, 5250, 5350, 5850, 6741, 6825, 6955, 7490, 7875, 8025, 8190, 8346, 9630, 9737, 9750, 11235, 11375, 12519, 13375, 13482, 13650, 13910, 14625, 15750, 16050, 18725, 19474, 20475, 20865, 22470, 22750, 24075, 25038, 26750, 29211, 29250, 33705, 34125, 34775, 37450, 40125, 40950, 41730, 48150, 48685, 56175, 58422, 62595, 67410, 68250, 69550, 80250, 87633, 93625, 97370, 102375, 104325, 112350, 120375, 125190, 146055, 168525, 173875, 175266, 187250, 204750, 208650, 240750, 243425, 280875, 292110, 312975, 337050, 347750, 438165, 486850, 521625, 561750, 625950, 730275, 842625, 876330, 1043250, 1217125, 1460550, 1564875, 1685250, 2190825, 2434250, 3129750, 3651375, 4381650, 7302750, 10954125, 21908250]

約数ペア:

[(1, 21908250), (2, 10954125), (3, 7302750), (5, 4381650), (6, 3651375), (7, 3129750), (9, 2434250), (10, 2190825), (13, 1685250), (14, 1564875), (15, 1460550), (18, 1217125), (21, 1043250), (25, 876330), (26, 842625), (30, 730275), (35, 625950), (39, 561750), (42, 521625), (45, 486850), (50, 438165), (63, 347750), (65, 337050), (70, 312975), (75, 292110), (78, 280875), (90, 243425), (91, 240750), (105, 208650), (107, 204750), (117, 187250), (125, 175266), (126, 173875), (130, 168525), (150, 146055), (175, 125190), (182, 120375), (195, 112350), (210, 104325), (214, 102375), (225, 97370), (234, 93625), (250, 87633), (273, 80250), (315, 69550), (321, 68250), (325, 67410), (350, 62595), (375, 58422), (390, 56175), (450, 48685), (455, 48150), (525, 41730), (535, 40950), (546, 40125), (585, 37450), (630, 34775), (642, 34125), (650, 33705), (749, 29250), (750, 29211), (819, 26750), (875, 25038), (910, 24075), (963, 22750), (975, 22470), (1050, 20865), (1070, 20475), (1125, 19474), (1170, 18725), (1365, 16050), (1391, 15750), (1498, 14625), (1575, 13910), (1605, 13650), (1625, 13482), (1638, 13375), (1750, 12519), (1926, 11375), (1950, 11235), (2247, 9750), (2250, 9737), (2275, 9630), (2625, 8346), (2675, 8190), (2730, 8025), (2782, 7875), (2925, 7490), (3150, 6955), (3210, 6825), (3250, 6741), (3745, 5850), (4095, 5350), (4173, 5250), (4494, 4875), (4550, 4815)]