21997844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21737}}^1$

素因数の和:21775

約数の個数: 24

約数和(自身を含む): 43823808

約数和(自身を除く): 21825964

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21737, 43474, 86948, 239107, 478214, 499951, 956428, 999902, 1999804, 5499461, 10998922, 21997844]

約数ペア:

[(1, 21997844), (2, 10998922), (4, 5499461), (11, 1999804), (22, 999902), (23, 956428), (44, 499951), (46, 478214), (92, 239107), (253, 86948), (506, 43474), (1012, 21737)]