21529983

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{971}}^1$

素因数の和:1382

約数の個数: 16

約数和(自身を含む): 30326400

約数和(自身を除く): 8796417

約数列:

[1, 3, 19, 57, 389, 971, 1167, 2913, 7391, 18449, 22173, 55347, 377719, 1133157, 7176661, 21529983]

約数ペア:

[(1, 21529983), (3, 7176661), (19, 1133157), (57, 377719), (389, 55347), (971, 22173), (1167, 18449), (2913, 7391)]