21193218

素因数分解:

$2^1\times 3^3\times {\mathrm{392467}}^1$

素因数の和:392478

約数の個数: 16

約数和(自身を含む): 47096160

約数和(自身を除く): 25902942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 392467, 784934, 1177401, 2354802, 3532203, 7064406, 10596609, 21193218]

約数ペア:

[(1, 21193218), (2, 10596609), (3, 7064406), (6, 3532203), (9, 2354802), (18, 1177401), (27, 784934), (54, 392467)]