21275100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:345

約数の個数: 216

約数和(自身を含む): 83411328

約数和(自身を除く): 62136228

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 25, 28, 30, 33, 35, 36, 42, 44, 45, 50, 55, 60, 63, 66, 70, 75, 77, 84, 90, 99, 100, 105, 110, 126, 132, 140, 150, 154, 165, 175, 180, 198, 210, 220, 225, 231, 252, 275, 300, 307, 308, 315, 330, 350, 385, 396, 420, 450, 462, 495, 525, 550, 614, 630, 660, 693, 700, 770, 825, 900, 921, 924, 990, 1050, 1100, 1155, 1228, 1260, 1386, 1535, 1540, 1575, 1650, 1842, 1925, 1980, 2100, 2149, 2310, 2475, 2763, 2772, 3070, 3150, 3300, 3377, 3465, 3684, 3850, 4298, 4605, 4620, 4950, 5526, 5775, 6140, 6300, 6447, 6754, 6930, 7675, 7700, 8596, 9210, 9900, 10131, 10745, 11052, 11550, 12894, 13508, 13815, 13860, 15350, 16885, 17325, 18420, 19341, 20262, 21490, 23025, 23100, 23639, 25788, 27630, 30393, 30700, 32235, 33770, 34650, 38682, 40524, 42980, 46050, 47278, 50655, 53725, 55260, 60786, 64470, 67540, 69075, 69300, 70917, 77364, 84425, 92100, 94556, 96705, 101310, 107450, 118195, 121572, 128940, 138150, 141834, 151965, 161175, 168850, 193410, 202620, 212751, 214900, 236390, 253275, 276300, 283668, 303930, 322350, 337700, 354585, 386820, 425502, 472780, 483525, 506550, 590975, 607860, 644700, 709170, 759825, 851004, 967050, 1013100, 1063755, 1181950, 1418340, 1519650, 1772925, 1934100, 2127510, 2363900, 3039300, 3545850, 4255020, 5318775, 7091700, 10637550, 21275100]

約数ペア:

[(1, 21275100), (2, 10637550), (3, 7091700), (4, 5318775), (5, 4255020), (6, 3545850), (7, 3039300), (9, 2363900), (10, 2127510), (11, 1934100), (12, 1772925), (14, 1519650), (15, 1418340), (18, 1181950), (20, 1063755), (21, 1013100), (22, 967050), (25, 851004), (28, 759825), (30, 709170), (33, 644700), (35, 607860), (36, 590975), (42, 506550), (44, 483525), (45, 472780), (50, 425502), (55, 386820), (60, 354585), (63, 337700), (66, 322350), (70, 303930), (75, 283668), (77, 276300), (84, 253275), (90, 236390), (99, 214900), (100, 212751), (105, 202620), (110, 193410), (126, 168850), (132, 161175), (140, 151965), (150, 141834), (154, 138150), (165, 128940), (175, 121572), (180, 118195), (198, 107450), (210, 101310), (220, 96705), (225, 94556), (231, 92100), (252, 84425), (275, 77364), (300, 70917), (307, 69300), (308, 69075), (315, 67540), (330, 64470), (350, 60786), (385, 55260), (396, 53725), (420, 50655), (450, 47278), (462, 46050), (495, 42980), (525, 40524), (550, 38682), (614, 34650), (630, 33770), (660, 32235), (693, 30700), (700, 30393), (770, 27630), (825, 25788), (900, 23639), (921, 23100), (924, 23025), (990, 21490), (1050, 20262), (1100, 19341), (1155, 18420), (1228, 17325), (1260, 16885), (1386, 15350), (1535, 13860), (1540, 13815), (1575, 13508), (1650, 12894), (1842, 11550), (1925, 11052), (1980, 10745), (2100, 10131), (2149, 9900), (2310, 9210), (2475, 8596), (2763, 7700), (2772, 7675), (3070, 6930), (3150, 6754), (3300, 6447), (3377, 6300), (3465, 6140), (3684, 5775), (3850, 5526), (4298, 4950), (4605, 4620)]