21819963

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{15377}}^1$

素因数の和:15434

約数の個数: 16

約数和(自身を含む): 32478336

約数和(自身を除く): 10658373

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 15377, 46131, 169147, 507441, 661211, 1983633, 7273321, 21819963]

約数ペア:

[(1, 21819963), (3, 7273321), (11, 1983633), (33, 661211), (43, 507441), (129, 169147), (473, 46131), (1419, 15377)]