21388230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2221}}^1$

素因数の和:2341

約数の個数: 48

約数和(自身を含む): 56154384

約数和(自身を除く): 34766154

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 107, 214, 321, 535, 642, 963, 1070, 1605, 1926, 2221, 3210, 4442, 4815, 6663, 9630, 11105, 13326, 19989, 22210, 33315, 39978, 66630, 99945, 199890, 237647, 475294, 712941, 1188235, 1425882, 2138823, 2376470, 3564705, 4277646, 7129410, 10694115, 21388230]

約数ペア:

[(1, 21388230), (2, 10694115), (3, 7129410), (5, 4277646), (6, 3564705), (9, 2376470), (10, 2138823), (15, 1425882), (18, 1188235), (30, 712941), (45, 475294), (90, 237647), (107, 199890), (214, 99945), (321, 66630), (535, 39978), (642, 33315), (963, 22210), (1070, 19989), (1605, 13326), (1926, 11105), (2221, 9630), (3210, 6663), (4442, 4815)]