21380850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{47513}}^1$

素因数の和:47531

約数の個数: 36

約数和(自身を含む): 57444426

約数和(自身を除く): 36063576

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 47513, 95026, 142539, 237565, 285078, 427617, 475130, 712695, 855234, 1187825, 1425390, 2138085, 2375650, 3563475, 4276170, 7126950, 10690425, 21380850]

約数ペア:

[(1, 21380850), (2, 10690425), (3, 7126950), (5, 4276170), (6, 3563475), (9, 2375650), (10, 2138085), (15, 1425390), (18, 1187825), (25, 855234), (30, 712695), (45, 475130), (50, 427617), (75, 285078), (90, 237565), (150, 142539), (225, 95026), (450, 47513)]