21270984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126613}}^1$

素因数の和:126629

約数の個数: 32

約数和(自身を含む): 60774720

約数和(自身を除く): 39503736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126613, 253226, 379839, 506452, 759678, 886291, 1012904, 1519356, 1772582, 2658873, 3038712, 3545164, 5317746, 7090328, 10635492, 21270984]

約数ペア:

[(1, 21270984), (2, 10635492), (3, 7090328), (4, 5317746), (6, 3545164), (7, 3038712), (8, 2658873), (12, 1772582), (14, 1519356), (21, 1012904), (24, 886291), (28, 759678), (42, 506452), (56, 379839), (84, 253226), (168, 126613)]