21289348

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{751}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 39374720

約数和(自身を除く): 18085372

約数列:

[1, 2, 4, 19, 38, 76, 373, 746, 751, 1492, 1502, 3004, 7087, 14174, 14269, 28348, 28538, 57076, 280123, 560246, 1120492, 5322337, 10644674, 21289348]

約数ペア:

[(1, 21289348), (2, 10644674), (4, 5322337), (19, 1120492), (38, 560246), (76, 280123), (373, 57076), (746, 28538), (751, 28348), (1492, 14269), (1502, 14174), (3004, 7087)]