21130136

素因数分解:

$2^3\times {\mathrm{751}}^1\times {\mathrm{3517}}^1$

素因数の和:4274

約数の個数: 16

約数和(自身を含む): 39683040

約数和(自身を除く): 18552904

約数列:

[1, 2, 4, 8, 751, 1502, 3004, 3517, 6008, 7034, 14068, 28136, 2641267, 5282534, 10565068, 21130136]

約数ペア:

[(1, 21130136), (2, 10565068), (4, 5282534), (8, 2641267), (751, 28136), (1502, 14068), (3004, 7034), (3517, 6008)]