21856984

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{2843}}^1$

素因数の和:2911

約数の個数: 24

約数和(自身を含む): 42361380

約数和(自身を除く): 20504396

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 961, 1922, 2843, 3844, 5686, 7688, 11372, 22744, 88133, 176266, 352532, 705064, 2732123, 5464246, 10928492, 21856984]

約数ペア:

[(1, 21856984), (2, 10928492), (4, 5464246), (8, 2732123), (31, 705064), (62, 352532), (124, 176266), (248, 88133), (961, 22744), (1922, 11372), (2843, 7688), (3844, 5686)]