21856278

素因数分解:

$2^1\times 3^1\times {\mathrm{383}}^1\times {\mathrm{9511}}^1$

素因数の和:9899

約数の個数: 16

約数和(自身を含む): 43831296

約数和(自身を除く): 21975018

約数列:

[1, 2, 3, 6, 383, 766, 1149, 2298, 9511, 19022, 28533, 57066, 3642713, 7285426, 10928139, 21856278]

約数ペア:

[(1, 21856278), (2, 10928139), (3, 7285426), (6, 3642713), (383, 57066), (766, 28533), (1149, 19022), (2298, 9511)]