21308628

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1481}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 54774720

約数和(自身を除く): 33466092

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 109, 132, 218, 327, 436, 654, 1199, 1308, 1481, 2398, 2962, 3597, 4443, 4796, 5924, 7194, 8886, 14388, 16291, 17772, 32582, 48873, 65164, 97746, 161429, 195492, 322858, 484287, 645716, 968574, 1775719, 1937148, 3551438, 5327157, 7102876, 10654314, 21308628]

約数ペア:

[(1, 21308628), (2, 10654314), (3, 7102876), (4, 5327157), (6, 3551438), (11, 1937148), (12, 1775719), (22, 968574), (33, 645716), (44, 484287), (66, 322858), (109, 195492), (132, 161429), (218, 97746), (327, 65164), (436, 48873), (654, 32582), (1199, 17772), (1308, 16291), (1481, 14388), (2398, 8886), (2962, 7194), (3597, 5924), (4443, 4796)]