16921156

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9907}}^1$

素因数の和:9979

約数の個数: 24

約数和(自身を含む): 34400576

約数和(自身を除く): 17479420

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 9907, 19814, 39628, 69349, 138698, 277396, 604327, 1208654, 2417308, 4230289, 8460578, 16921156]

約数ペア:

[(1, 16921156), (2, 8460578), (4, 4230289), (7, 2417308), (14, 1208654), (28, 604327), (61, 277396), (122, 138698), (244, 69349), (427, 39628), (854, 19814), (1708, 9907)]