21315090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{710503}}^1$

素因数の和:710513

約数の個数: 16

約数和(自身を含む): 51156288

約数和(自身を除く): 29841198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 710503, 1421006, 2131509, 3552515, 4263018, 7105030, 10657545, 21315090]

約数ペア:

[(1, 21315090), (2, 10657545), (3, 7105030), (5, 4263018), (6, 3552515), (10, 2131509), (15, 1421006), (30, 710503)]