21298695

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129083}}^1$

素因数の和:129102

約数の個数: 16

約数和(自身を含む): 37176192

約数和(自身を除く): 15877497

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 129083, 387249, 645415, 1419913, 1936245, 4259739, 7099565, 21298695]

約数ペア:

[(1, 21298695), (3, 7099565), (5, 4259739), (11, 1936245), (15, 1419913), (33, 645415), (55, 387249), (165, 129083)]