21891138

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1367}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 46687104

約数和(自身を除く): 24795966

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 157, 314, 471, 942, 1367, 2669, 2734, 4101, 5338, 8007, 8202, 16014, 23239, 46478, 69717, 139434, 214619, 429238, 643857, 1287714, 3648523, 7297046, 10945569, 21891138]

約数ペア:

[(1, 21891138), (2, 10945569), (3, 7297046), (6, 3648523), (17, 1287714), (34, 643857), (51, 429238), (102, 214619), (157, 139434), (314, 69717), (471, 46478), (942, 23239), (1367, 16014), (2669, 8202), (2734, 8007), (4101, 5338)]