21719026

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{17431}}^1$

素因数の和:17529

約数の個数: 16

約数和(自身を含む): 37653120

約数和(自身を除く): 15934094

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 17431, 34862, 122017, 244034, 1551359, 3102718, 10859513, 21719026]

約数ペア:

[(1, 21719026), (2, 10859513), (7, 3102718), (14, 1551359), (89, 244034), (178, 122017), (623, 34862), (1246, 17431)]