21712210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167017}}^1$

素因数の和:167037

約数の個数: 16

約数和(自身を含む): 42088536

約数和(自身を除く): 20376326

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 167017, 334034, 835085, 1670170, 2171221, 4342442, 10856105, 21712210]

約数ペア:

[(1, 21712210), (2, 10856105), (5, 4342442), (10, 2171221), (13, 1670170), (26, 835085), (65, 334034), (130, 167017)]