21511704

素因数分解:

$2^3\times 3^1\times {\mathrm{251}}^1\times {\mathrm{3571}}^1$

素因数の和:3831

約数の個数: 32

約数和(自身を含む): 54008640

約数和(自身を除く): 32496936

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 251, 502, 753, 1004, 1506, 2008, 3012, 3571, 6024, 7142, 10713, 14284, 21426, 28568, 42852, 85704, 896321, 1792642, 2688963, 3585284, 5377926, 7170568, 10755852, 21511704]

約数ペア:

[(1, 21511704), (2, 10755852), (3, 7170568), (4, 5377926), (6, 3585284), (8, 2688963), (12, 1792642), (24, 896321), (251, 85704), (502, 42852), (753, 28568), (1004, 21426), (1506, 14284), (2008, 10713), (3012, 7142), (3571, 6024)]