21895252

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2161}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 40861800

約数和(自身を除く): 18966548

約数列:

[1, 2, 4, 17, 34, 68, 149, 298, 596, 2161, 2533, 4322, 5066, 8644, 10132, 36737, 73474, 146948, 321989, 643978, 1287956, 5473813, 10947626, 21895252]

約数ペア:

[(1, 21895252), (2, 10947626), (4, 5473813), (17, 1287956), (34, 643978), (68, 321989), (149, 146948), (298, 73474), (596, 36737), (2161, 10132), (2533, 8644), (4322, 5066)]