21336308

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 45072384

約数和(自身を除く): 23736076

約数列:

[1, 2, 4, 7, 14, 28, 31, 47, 62, 94, 124, 188, 217, 329, 434, 523, 658, 868, 1046, 1316, 1457, 2092, 2914, 3661, 5828, 7322, 10199, 14644, 16213, 20398, 24581, 32426, 40796, 49162, 64852, 98324, 113491, 172067, 226982, 344134, 453964, 688268, 762011, 1524022, 3048044, 5334077, 10668154, 21336308]

約数ペア:

[(1, 21336308), (2, 10668154), (4, 5334077), (7, 3048044), (14, 1524022), (28, 762011), (31, 688268), (47, 453964), (62, 344134), (94, 226982), (124, 172067), (188, 113491), (217, 98324), (329, 64852), (434, 49162), (523, 40796), (658, 32426), (868, 24581), (1046, 20398), (1316, 16213), (1457, 14644), (2092, 10199), (2914, 7322), (3661, 5828)]