21004044

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5419}}^1$

素因数の和:5462

約数の個数: 48

約数和(自身を含む): 54633600

約数和(自身を除く): 33629556

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5419, 10838, 16257, 21676, 32514, 65028, 92123, 102961, 184246, 205922, 276369, 308883, 368492, 411844, 552738, 617766, 1105476, 1235532, 1750337, 3500674, 5251011, 7001348, 10502022, 21004044]

約数ペア:

[(1, 21004044), (2, 10502022), (3, 7001348), (4, 5251011), (6, 3500674), (12, 1750337), (17, 1235532), (19, 1105476), (34, 617766), (38, 552738), (51, 411844), (57, 368492), (68, 308883), (76, 276369), (102, 205922), (114, 184246), (204, 102961), (228, 92123), (323, 65028), (646, 32514), (969, 21676), (1292, 16257), (1938, 10838), (3876, 5419)]