21186008

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 41893200

約数和(自身を除く): 20707192

約数列:

[1, 2, 4, 8, 29, 53, 58, 106, 116, 212, 232, 424, 1537, 1723, 3074, 3446, 6148, 6892, 12296, 13784, 49967, 91319, 99934, 182638, 199868, 365276, 399736, 730552, 2648251, 5296502, 10593004, 21186008]

約数ペア:

[(1, 21186008), (2, 10593004), (4, 5296502), (8, 2648251), (29, 730552), (53, 399736), (58, 365276), (106, 199868), (116, 182638), (212, 99934), (232, 91319), (424, 49967), (1537, 13784), (1723, 12296), (3074, 6892), (3446, 6148)]