21233223

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1543}}^1$

素因数の和:1699

約数の個数: 24

約数和(自身を含む): 33720960

約数和(自身を除く): 12487737

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1251, 1529, 1543, 4587, 4629, 13761, 13887, 16973, 50919, 152757, 214477, 643431, 1930293, 2359247, 7077741, 21233223]

約数ペア:

[(1, 21233223), (3, 7077741), (9, 2359247), (11, 1930293), (33, 643431), (99, 214477), (139, 152757), (417, 50919), (1251, 16973), (1529, 13887), (1543, 13761), (4587, 4629)]