21034244

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2203}}^1$

素因数の和:2256

約数の個数: 48

約数和(自身を含む): 47394816

約数和(自身を除く): 26360572

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2203, 2387, 4406, 4774, 8812, 9548, 15421, 24233, 30842, 48466, 61684, 68293, 96932, 136586, 169631, 273172, 339262, 478051, 678524, 751223, 956102, 1502446, 1912204, 3004892, 5258561, 10517122, 21034244]

約数ペア:

[(1, 21034244), (2, 10517122), (4, 5258561), (7, 3004892), (11, 1912204), (14, 1502446), (22, 956102), (28, 751223), (31, 678524), (44, 478051), (62, 339262), (77, 273172), (124, 169631), (154, 136586), (217, 96932), (308, 68293), (341, 61684), (434, 48466), (682, 30842), (868, 24233), (1364, 15421), (2203, 9548), (2387, 8812), (4406, 4774)]