21219568

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5503}}^1$

素因数の和:5752

約数の個数: 20

約数和(自身を含む): 41291008

約数和(自身を除く): 20071440

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5503, 11006, 22012, 44024, 88048, 1326223, 2652446, 5304892, 10609784, 21219568]

約数ペア:

[(1, 21219568), (2, 10609784), (4, 5304892), (8, 2652446), (16, 1326223), (241, 88048), (482, 44024), (964, 22012), (1928, 11006), (3856, 5503)]