21105830

素因数分解:

$2^1\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{1931}}^1$

素因数の和:3031

約数の個数: 16

約数和(自身を含む): 38044944

約数和(自身を除く): 16939114

約数列:

[1, 2, 5, 10, 1093, 1931, 2186, 3862, 5465, 9655, 10930, 19310, 2110583, 4221166, 10552915, 21105830]

約数ペア:

[(1, 21105830), (2, 10552915), (5, 4221166), (10, 2110583), (1093, 19310), (1931, 10930), (2186, 9655), (3862, 5465)]