221382

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{251}}^1$

素因数の和:273

約数の個数: 36

約数和(自身を含む): 560196

約数和(自身を除く): 338814

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 251, 294, 441, 502, 753, 882, 1506, 1757, 2259, 3514, 4518, 5271, 10542, 12299, 15813, 24598, 31626, 36897, 73794, 110691, 221382]

約数ペア:

[(1, 221382), (2, 110691), (3, 73794), (6, 36897), (7, 31626), (9, 24598), (14, 15813), (18, 12299), (21, 10542), (42, 5271), (49, 4518), (63, 3514), (98, 2259), (126, 1757), (147, 1506), (251, 882), (294, 753), (441, 502)]