21038418

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{349}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 48648600

約数和(自身を除く): 27610182

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 197, 306, 349, 394, 591, 698, 1047, 1182, 1773, 2094, 3141, 3349, 3546, 5933, 6282, 6698, 10047, 11866, 17799, 20094, 30141, 35598, 53397, 60282, 68753, 106794, 137506, 206259, 412518, 618777, 1168801, 1237554, 2337602, 3506403, 7012806, 10519209, 21038418]

約数ペア:

[(1, 21038418), (2, 10519209), (3, 7012806), (6, 3506403), (9, 2337602), (17, 1237554), (18, 1168801), (34, 618777), (51, 412518), (102, 206259), (153, 137506), (197, 106794), (306, 68753), (349, 60282), (394, 53397), (591, 35598), (698, 30141), (1047, 20094), (1182, 17799), (1773, 11866), (2094, 10047), (3141, 6698), (3349, 6282), (3546, 5933)]