21413494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{5471}}^1$

素因数の和:5595

約数の個数: 16

約数和(自身を含む): 34145280

約数和(自身を除く): 12731786

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 5471, 10942, 103949, 207898, 563513, 1127026, 10706747, 21413494]

約数ペア:

[(1, 21413494), (2, 10706747), (19, 1127026), (38, 563513), (103, 207898), (206, 103949), (1957, 10942), (3914, 5471)]