21369908

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40169}}^1$

素因数の和:40199

約数の個数: 24

約数和(自身を含む): 44990400

約数和(自身を除く): 23620492

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40169, 80338, 160676, 281183, 562366, 763211, 1124732, 1526422, 3052844, 5342477, 10684954, 21369908]

約数ペア:

[(1, 21369908), (2, 10684954), (4, 5342477), (7, 3052844), (14, 1526422), (19, 1124732), (28, 763211), (38, 562366), (76, 281183), (133, 160676), (266, 80338), (532, 40169)]