21066426

素因数分解:

$2^1\times 3^3\times {\mathrm{390119}}^1$

素因数の和:390130

約数の個数: 16

約数和(自身を含む): 46814400

約数和(自身を除く): 25747974

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 390119, 780238, 1170357, 2340714, 3511071, 7022142, 10533213, 21066426]

約数ペア:

[(1, 21066426), (2, 10533213), (3, 7022142), (6, 3511071), (9, 2340714), (18, 1170357), (27, 780238), (54, 390119)]