21037128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{125221}}^1$

素因数の和:125237

約数の個数: 32

約数和(自身を含む): 60106560

約数和(自身を除く): 39069432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 125221, 250442, 375663, 500884, 751326, 876547, 1001768, 1502652, 1753094, 2629641, 3005304, 3506188, 5259282, 7012376, 10518564, 21037128]

約数ペア:

[(1, 21037128), (2, 10518564), (3, 7012376), (4, 5259282), (6, 3506188), (7, 3005304), (8, 2629641), (12, 1753094), (14, 1502652), (21, 1001768), (24, 876547), (28, 751326), (42, 500884), (56, 375663), (84, 250442), (168, 125221)]