21423114

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{16763}}^1$

素因数の和:16842

約数の個数: 24

約数和(自身を含む): 47073312

約数和(自身を除く): 25650198

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 16763, 33526, 50289, 100578, 150867, 301734, 1190173, 2380346, 3570519, 7141038, 10711557, 21423114]

約数ペア:

[(1, 21423114), (2, 10711557), (3, 7141038), (6, 3570519), (9, 2380346), (18, 1190173), (71, 301734), (142, 150867), (213, 100578), (426, 50289), (639, 33526), (1278, 16763)]