213426

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:246

約数の個数: 24

約数和(自身を含む): 471744

約数和(自身を除く): 258318

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 167, 213, 334, 426, 501, 639, 1002, 1278, 1503, 3006, 11857, 23714, 35571, 71142, 106713, 213426]

約数ペア:

[(1, 213426), (2, 106713), (3, 71142), (6, 35571), (9, 23714), (18, 11857), (71, 3006), (142, 1503), (167, 1278), (213, 1002), (334, 639), (426, 501)]