21582162

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1091}}^1$

素因数の和:1263

約数の個数: 48

約数和(自身を含む): 53831232

約数和(自身を除く): 32249070

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157, 314, 471, 942, 1091, 1099, 1413, 2182, 2198, 2826, 3273, 3297, 6546, 6594, 7637, 9819, 9891, 15274, 19638, 19782, 22911, 45822, 68733, 137466, 171287, 342574, 513861, 1027722, 1199009, 1541583, 2398018, 3083166, 3597027, 7194054, 10791081, 21582162]

約数ペア:

[(1, 21582162), (2, 10791081), (3, 7194054), (6, 3597027), (7, 3083166), (9, 2398018), (14, 1541583), (18, 1199009), (21, 1027722), (42, 513861), (63, 342574), (126, 171287), (157, 137466), (314, 68733), (471, 45822), (942, 22911), (1091, 19782), (1099, 19638), (1413, 15274), (2182, 9891), (2198, 9819), (2826, 7637), (3273, 6594), (3297, 6546)]