21679014

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9739}}^1$

素因数の和:9804

約数の個数: 32

約数和(自身を含む): 50492160

約数和(自身を除く): 28813146

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 9739, 19478, 29217, 58434, 68173, 136346, 204519, 409038, 516167, 1032334, 1548501, 3097002, 3613169, 7226338, 10839507, 21679014]

約数ペア:

[(1, 21679014), (2, 10839507), (3, 7226338), (6, 3613169), (7, 3097002), (14, 1548501), (21, 1032334), (42, 516167), (53, 409038), (106, 204519), (159, 136346), (318, 68173), (371, 58434), (742, 29217), (1113, 19478), (2226, 9739)]