21904770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2909}}^1$

素因数の和:3170

約数の個数: 32

約数和(自身を含む): 52799040

約数和(自身を除く): 30894270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 251, 502, 753, 1255, 1506, 2510, 2909, 3765, 5818, 7530, 8727, 14545, 17454, 29090, 43635, 87270, 730159, 1460318, 2190477, 3650795, 4380954, 7301590, 10952385, 21904770]

約数ペア:

[(1, 21904770), (2, 10952385), (3, 7301590), (5, 4380954), (6, 3650795), (10, 2190477), (15, 1460318), (30, 730159), (251, 87270), (502, 43635), (753, 29090), (1255, 17454), (1506, 14545), (2510, 8727), (2909, 7530), (3765, 5818)]