21837036

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139981}}^1$

素因数の和:140001

約数の個数: 24

約数和(自身を含む): 54872944

約数和(自身を除く): 33035908

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 139981, 279962, 419943, 559924, 839886, 1679772, 1819753, 3639506, 5459259, 7279012, 10918518, 21837036]

約数ペア:

[(1, 21837036), (2, 10918518), (3, 7279012), (4, 5459259), (6, 3639506), (12, 1819753), (13, 1679772), (26, 839886), (39, 559924), (52, 419943), (78, 279962), (156, 139981)]