21568304

素因数分解:

$2^4\times {\mathrm{673}}^1\times {\mathrm{2003}}^1$

素因数の和:2684

約数の個数: 20

約数和(自身を含む): 41871576

約数和(自身を除く): 20303272

約数列:

[1, 2, 4, 8, 16, 673, 1346, 2003, 2692, 4006, 5384, 8012, 10768, 16024, 32048, 1348019, 2696038, 5392076, 10784152, 21568304]

約数ペア:

[(1, 21568304), (2, 10784152), (4, 5392076), (8, 2696038), (16, 1348019), (673, 32048), (1346, 16024), (2003, 10768), (2692, 8012), (4006, 5384)]