21375390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6659}}^1$

素因数の和:6776

約数の個数: 32

約数和(自身を含む): 51788160

約数和(自身を除く): 30412770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 6659, 13318, 19977, 33295, 39954, 66590, 99885, 199770, 712513, 1425026, 2137539, 3562565, 4275078, 7125130, 10687695, 21375390]

約数ペア:

[(1, 21375390), (2, 10687695), (3, 7125130), (5, 4275078), (6, 3562565), (10, 2137539), (15, 1425026), (30, 712513), (107, 199770), (214, 99885), (321, 66590), (535, 39954), (642, 33295), (1070, 19977), (1605, 13318), (3210, 6659)]