21676368

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{64513}}^1$

素因数の和:64531

約数の個数: 40

約数和(自身を含む): 63997888

約数和(自身を除く): 42321520

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 64513, 129026, 193539, 258052, 387078, 451591, 516104, 774156, 903182, 1032208, 1354773, 1548312, 1806364, 2709546, 3096624, 3612728, 5419092, 7225456, 10838184, 21676368]

約数ペア:

[(1, 21676368), (2, 10838184), (3, 7225456), (4, 5419092), (6, 3612728), (7, 3096624), (8, 2709546), (12, 1806364), (14, 1548312), (16, 1354773), (21, 1032208), (24, 903182), (28, 774156), (42, 516104), (48, 451591), (56, 387078), (84, 258052), (112, 193539), (168, 129026), (336, 64513)]