21396984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127363}}^1$

素因数の和:127379

約数の個数: 32

約数和(自身を含む): 61134720

約数和(自身を除く): 39737736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 127363, 254726, 382089, 509452, 764178, 891541, 1018904, 1528356, 1783082, 2674623, 3056712, 3566164, 5349246, 7132328, 10698492, 21396984]

約数ペア:

[(1, 21396984), (2, 10698492), (3, 7132328), (4, 5349246), (6, 3566164), (7, 3056712), (8, 2674623), (12, 1783082), (14, 1528356), (21, 1018904), (24, 891541), (28, 764178), (42, 509452), (56, 382089), (84, 254726), (168, 127363)]