21508588

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{601}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 39443040

約数和(自身を除く): 17934452

約数列:

[1, 2, 4, 23, 46, 92, 389, 601, 778, 1202, 1556, 2404, 8947, 13823, 17894, 27646, 35788, 55292, 233789, 467578, 935156, 5377147, 10754294, 21508588]

約数ペア:

[(1, 21508588), (2, 10754294), (4, 5377147), (23, 935156), (46, 467578), (92, 233789), (389, 55292), (601, 35788), (778, 27646), (1202, 17894), (1556, 13823), (2404, 8947)]