21875685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6599}}^1$

素因数の和:6637

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 18041115

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 6599, 19797, 32995, 85787, 98985, 112183, 257361, 336549, 428935, 560915, 1286805, 1458379, 1682745, 4375137, 7291895, 21875685]

約数ペア:

[(1, 21875685), (3, 7291895), (5, 4375137), (13, 1682745), (15, 1458379), (17, 1286805), (39, 560915), (51, 428935), (65, 336549), (85, 257361), (195, 112183), (221, 98985), (255, 85787), (663, 32995), (1105, 19797), (3315, 6599)]