21362488

素因数分解:

$2^3\times 7^1\times {\mathrm{433}}^1\times {\mathrm{881}}^1$

素因数の和:1327

約数の個数: 32

約数和(自身を含む): 45934560

約数和(自身を除く): 24572072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 433, 866, 881, 1732, 1762, 3031, 3464, 3524, 6062, 6167, 7048, 12124, 12334, 24248, 24668, 49336, 381473, 762946, 1525892, 2670311, 3051784, 5340622, 10681244, 21362488]

約数ペア:

[(1, 21362488), (2, 10681244), (4, 5340622), (7, 3051784), (8, 2670311), (14, 1525892), (28, 762946), (56, 381473), (433, 49336), (866, 24668), (881, 24248), (1732, 12334), (1762, 12124), (3031, 7048), (3464, 6167), (3524, 6062)]