21328634

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:901

約数の個数: 16

約数和(自身を含む): 32541696

約数和(自身を除く): 11213062

約数列:

[1, 2, 127, 131, 254, 262, 641, 1282, 16637, 33274, 81407, 83971, 162814, 167942, 10664317, 21328634]

約数ペア:

[(1, 21328634), (2, 10664317), (127, 167942), (131, 162814), (254, 83971), (262, 81407), (641, 33274), (1282, 16637)]