21420354

素因数分解:

$2^1\times 3^1\times {\mathrm{541}}^1\times {\mathrm{6599}}^1$

素因数の和:7145

約数の個数: 16

約数和(自身を含む): 42926400

約数和(自身を除く): 21506046

約数列:

[1, 2, 3, 6, 541, 1082, 1623, 3246, 6599, 13198, 19797, 39594, 3570059, 7140118, 10710177, 21420354]

約数ペア:

[(1, 21420354), (2, 10710177), (3, 7140118), (6, 3570059), (541, 39594), (1082, 19797), (1623, 13198), (3246, 6599)]