21247938

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{9011}}^1$

素因数の和:9150

約数の個数: 24

約数和(自身を含む): 46393776

約数和(自身を除く): 25145838

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 9011, 18022, 27033, 54066, 81099, 162198, 1180441, 2360882, 3541323, 7082646, 10623969, 21247938]

約数ペア:

[(1, 21247938), (2, 10623969), (3, 7082646), (6, 3541323), (9, 2360882), (18, 1180441), (131, 162198), (262, 81099), (393, 54066), (786, 27033), (1179, 18022), (2358, 9011)]