21032553

素因数分解:

$3^1\times {\mathrm{17}}^3\times {\mathrm{1427}}^1$

素因数の和:1481

約数の個数: 16

約数和(自身を含む): 29816640

約数和(自身を除く): 8784087

約数列:

[1, 3, 17, 51, 289, 867, 1427, 4281, 4913, 14739, 24259, 72777, 412403, 1237209, 7010851, 21032553]

約数ペア:

[(1, 21032553), (3, 7010851), (17, 1237209), (51, 412403), (289, 72777), (867, 24259), (1427, 14739), (4281, 4913)]