21069675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8513}}^1$

素因数の和:8540

約数の個数: 36

約数和(自身を含む): 41173704

約数和(自身を除く): 20104029

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8513, 25539, 42565, 76617, 93643, 127695, 212825, 280929, 383085, 468215, 638475, 842787, 1404645, 1915425, 2341075, 4213935, 7023225, 21069675]

約数ペア:

[(1, 21069675), (3, 7023225), (5, 4213935), (9, 2341075), (11, 1915425), (15, 1404645), (25, 842787), (33, 638475), (45, 468215), (55, 383085), (75, 280929), (99, 212825), (165, 127695), (225, 93643), (275, 76617), (495, 42565), (825, 25539), (2475, 8513)]