21017234

素因数分解:

$2^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{5981}}^1$

素因数の和:6241

約数の個数: 16

約数和(自身を含む): 36179136

約数和(自身を除く): 15161902

約数列:

[1, 2, 7, 14, 251, 502, 1757, 3514, 5981, 11962, 41867, 83734, 1501231, 3002462, 10508617, 21017234]

約数ペア:

[(1, 21017234), (2, 10508617), (7, 3002462), (14, 1501231), (251, 83734), (502, 41867), (1757, 11962), (3514, 5981)]