21954184

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1277}}^1$

素因数の和:1597

約数の個数: 32

約数和(自身を含む): 47234880

約数和(自身を除く): 25280696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 1228, 1277, 2149, 2456, 2554, 4298, 5108, 8596, 8939, 10216, 17192, 17878, 35756, 71512, 392039, 784078, 1568156, 2744273, 3136312, 5488546, 10977092, 21954184]

約数ペア:

[(1, 21954184), (2, 10977092), (4, 5488546), (7, 3136312), (8, 2744273), (14, 1568156), (28, 784078), (56, 392039), (307, 71512), (614, 35756), (1228, 17878), (1277, 17192), (2149, 10216), (2456, 8939), (2554, 8596), (4298, 5108)]