21002952

素因数分解:

$2^3\times 3^1\times {\mathrm{643}}^1\times {\mathrm{1361}}^1$

素因数の和:2013

約数の個数: 32

約数和(自身を含む): 52627680

約数和(自身を除く): 31624728

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 643, 1286, 1361, 1929, 2572, 2722, 3858, 4083, 5144, 5444, 7716, 8166, 10888, 15432, 16332, 32664, 875123, 1750246, 2625369, 3500492, 5250738, 7000984, 10501476, 21002952]

約数ペア:

[(1, 21002952), (2, 10501476), (3, 7000984), (4, 5250738), (6, 3500492), (8, 2625369), (12, 1750246), (24, 875123), (643, 32664), (1286, 16332), (1361, 15432), (1929, 10888), (2572, 8166), (2722, 7716), (3858, 5444), (4083, 5144)]