21143155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22613}}^1$

素因数の和:22646

約数の個数: 16

約数和(自身を含む): 29307744

約数和(自身を除く): 8164589

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22613, 113065, 248743, 384421, 1243715, 1922105, 4228631, 21143155]

約数ペア:

[(1, 21143155), (5, 4228631), (11, 1922105), (17, 1243715), (55, 384421), (85, 248743), (187, 113065), (935, 22613)]