21723308

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1481}}^1$

素因数の和:1697

約数の個数: 24

約数和(自身を含む): 40251120

約数和(自身を除く): 18527812

約数列:

[1, 2, 4, 19, 38, 76, 193, 386, 772, 1481, 2962, 3667, 5924, 7334, 14668, 28139, 56278, 112556, 285833, 571666, 1143332, 5430827, 10861654, 21723308]

約数ペア:

[(1, 21723308), (2, 10861654), (4, 5430827), (19, 1143332), (38, 571666), (76, 285833), (193, 112556), (386, 56278), (772, 28139), (1481, 14668), (2962, 7334), (3667, 5924)]