21543756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{138101}}^1$

素因数の和:138121

約数の個数: 24

約数和(自身を含む): 54135984

約数和(自身を除く): 32592228

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 138101, 276202, 414303, 552404, 828606, 1657212, 1795313, 3590626, 5385939, 7181252, 10771878, 21543756]

約数ペア:

[(1, 21543756), (2, 10771878), (3, 7181252), (4, 5385939), (6, 3590626), (12, 1795313), (13, 1657212), (26, 828606), (39, 552404), (52, 414303), (78, 276202), (156, 138101)]