21351393

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1493}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 35425728

約数和(自身を除く): 14074335

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1493, 1589, 2043, 4479, 4767, 10451, 13437, 14301, 31353, 94059, 338911, 1016733, 2372377, 3050199, 7117131, 21351393]

約数ペア:

[(1, 21351393), (3, 7117131), (7, 3050199), (9, 2372377), (21, 1016733), (63, 338911), (227, 94059), (681, 31353), (1493, 14301), (1589, 13437), (2043, 10451), (4479, 4767)]