21131936

素因数分解:

$2^5\times 7^2\times {\mathrm{13477}}^1$

素因数の和:13501

約数の個数: 36

約数和(自身を含む): 48399498

約数和(自身を除く): 27267562

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13477, 26954, 53908, 94339, 107816, 188678, 215632, 377356, 431264, 660373, 754712, 1320746, 1509424, 2641492, 3018848, 5282984, 10565968, 21131936]

約数ペア:

[(1, 21131936), (2, 10565968), (4, 5282984), (7, 3018848), (8, 2641492), (14, 1509424), (16, 1320746), (28, 754712), (32, 660373), (49, 431264), (56, 377356), (98, 215632), (112, 188678), (196, 107816), (224, 94339), (392, 53908), (784, 26954), (1568, 13477)]