21589512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128509}}^1$

素因数の和:128525

約数の個数: 32

約数和(自身を含む): 61684800

約数和(自身を除く): 40095288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128509, 257018, 385527, 514036, 771054, 899563, 1028072, 1542108, 1799126, 2698689, 3084216, 3598252, 5397378, 7196504, 10794756, 21589512]

約数ペア:

[(1, 21589512), (2, 10794756), (3, 7196504), (4, 5397378), (6, 3598252), (7, 3084216), (8, 2698689), (12, 1799126), (14, 1542108), (21, 1028072), (24, 899563), (28, 771054), (42, 514036), (56, 385527), (84, 257018), (168, 128509)]