21671210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10369}}^1$

素因数の和:10406

約数の個数: 32

約数和(自身を含む): 44798400

約数和(自身を除く): 23127190

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 10369, 20738, 51845, 103690, 114059, 197011, 228118, 394022, 570295, 985055, 1140590, 1970110, 2167121, 4334242, 10835605, 21671210]

約数ペア:

[(1, 21671210), (2, 10835605), (5, 4334242), (10, 2167121), (11, 1970110), (19, 1140590), (22, 985055), (38, 570295), (55, 394022), (95, 228118), (110, 197011), (190, 114059), (209, 103690), (418, 51845), (1045, 20738), (2090, 10369)]