21813104

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{887}}^1$

素因数の和:977

約数の個数: 40

約数和(自身を含む): 44595360

約数和(自身を除く): 22782256

約数列:

[1, 2, 4, 8, 16, 29, 53, 58, 106, 116, 212, 232, 424, 464, 848, 887, 1537, 1774, 3074, 3548, 6148, 7096, 12296, 14192, 24592, 25723, 47011, 51446, 94022, 102892, 188044, 205784, 376088, 411568, 752176, 1363319, 2726638, 5453276, 10906552, 21813104]

約数ペア:

[(1, 21813104), (2, 10906552), (4, 5453276), (8, 2726638), (16, 1363319), (29, 752176), (53, 411568), (58, 376088), (106, 205784), (116, 188044), (212, 102892), (232, 94022), (424, 51446), (464, 47011), (848, 25723), (887, 24592), (1537, 14192), (1774, 12296), (3074, 7096), (3548, 6148)]