21597450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 62329344

約数和(自身を除く): 40731894

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 67, 70, 75, 105, 134, 150, 175, 201, 210, 307, 335, 350, 402, 469, 525, 614, 670, 921, 938, 1005, 1050, 1407, 1535, 1675, 1842, 2010, 2149, 2345, 2814, 3070, 3350, 4298, 4605, 4690, 5025, 6447, 7035, 7675, 9210, 10050, 10745, 11725, 12894, 14070, 15350, 20569, 21490, 23025, 23450, 32235, 35175, 41138, 46050, 53725, 61707, 64470, 70350, 102845, 107450, 123414, 143983, 161175, 205690, 287966, 308535, 322350, 431949, 514225, 617070, 719915, 863898, 1028450, 1439830, 1542675, 2159745, 3085350, 3599575, 4319490, 7199150, 10798725, 21597450]

約数ペア:

[(1, 21597450), (2, 10798725), (3, 7199150), (5, 4319490), (6, 3599575), (7, 3085350), (10, 2159745), (14, 1542675), (15, 1439830), (21, 1028450), (25, 863898), (30, 719915), (35, 617070), (42, 514225), (50, 431949), (67, 322350), (70, 308535), (75, 287966), (105, 205690), (134, 161175), (150, 143983), (175, 123414), (201, 107450), (210, 102845), (307, 70350), (335, 64470), (350, 61707), (402, 53725), (469, 46050), (525, 41138), (614, 35175), (670, 32235), (921, 23450), (938, 23025), (1005, 21490), (1050, 20569), (1407, 15350), (1535, 14070), (1675, 12894), (1842, 11725), (2010, 10745), (2149, 10050), (2345, 9210), (2814, 7675), (3070, 7035), (3350, 6447), (4298, 5025), (4605, 4690)]