21802364

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{653}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 40542768

約数和(自身を除く): 18740404

約数列:

[1, 2, 4, 17, 34, 68, 491, 653, 982, 1306, 1964, 2612, 8347, 11101, 16694, 22202, 33388, 44404, 320623, 641246, 1282492, 5450591, 10901182, 21802364]

約数ペア:

[(1, 21802364), (2, 10901182), (4, 5450591), (17, 1282492), (34, 641246), (68, 320623), (491, 44404), (653, 33388), (982, 22202), (1306, 16694), (1964, 11101), (2612, 8347)]