21037146

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1559}}^1$

素因数の和:1750

約数の個数: 32

約数和(自身を含む): 45601920

約数和(自身を除く): 24564774

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 173, 346, 519, 1038, 1559, 2249, 3118, 4498, 4677, 6747, 9354, 13494, 20267, 40534, 60801, 121602, 269707, 539414, 809121, 1618242, 3506191, 7012382, 10518573, 21037146]

約数ペア:

[(1, 21037146), (2, 10518573), (3, 7012382), (6, 3506191), (13, 1618242), (26, 809121), (39, 539414), (78, 269707), (173, 121602), (346, 60801), (519, 40534), (1038, 20267), (1559, 13494), (2249, 9354), (3118, 6747), (4498, 4677)]