21286473076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2702701}}^1$

素因数の和:2702895

約数の個数: 24

約数和(自身を含む): 40864854240

約数和(自身を除く): 19578381164

約数列:

[1, 2, 4, 11, 22, 44, 179, 358, 716, 1969, 3938, 7876, 2702701, 5405402, 10810804, 29729711, 59459422, 118918844, 483783479, 967566958, 1935133916, 5321618269, 10643236538, 21286473076]

約数ペア:

[(1, 21286473076), (2, 10643236538), (4, 5321618269), (11, 1935133916), (22, 967566958), (44, 483783479), (179, 118918844), (358, 59459422), (716, 29729711), (1969, 10810804), (3938, 5405402), (7876, 2702701)]