21842765

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 31256064

約数和(自身を除く): 9413299

約数列:

[1, 5, 7, 35, 37, 101, 167, 185, 259, 505, 707, 835, 1169, 1295, 3535, 3737, 5845, 6179, 16867, 18685, 26159, 30895, 43253, 84335, 118069, 130795, 216265, 590345, 624079, 3120395, 4368553, 21842765]

約数ペア:

[(1, 21842765), (5, 4368553), (7, 3120395), (35, 624079), (37, 590345), (101, 216265), (167, 130795), (185, 118069), (259, 84335), (505, 43253), (707, 30895), (835, 26159), (1169, 18685), (1295, 16867), (3535, 6179), (3737, 5845)]