21073318

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 17230682

約数列:

[1, 2, 7, 14, 19, 38, 133, 227, 266, 349, 454, 698, 1589, 2443, 3178, 4313, 4886, 6631, 8626, 13262, 30191, 46417, 60382, 79223, 92834, 158446, 554561, 1109122, 1505237, 3010474, 10536659, 21073318]

約数ペア:

[(1, 21073318), (2, 10536659), (7, 3010474), (14, 1505237), (19, 1109122), (38, 554561), (133, 158446), (227, 92834), (266, 79223), (349, 60382), (454, 46417), (698, 30191), (1589, 13262), (2443, 8626), (3178, 6631), (4313, 4886)]