21106590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2803}}^1$

素因数の和:3064

約数の個数: 32

約数和(自身を含む): 50875776

約数和(自身を除く): 29769186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 251, 502, 753, 1255, 1506, 2510, 2803, 3765, 5606, 7530, 8409, 14015, 16818, 28030, 42045, 84090, 703553, 1407106, 2110659, 3517765, 4221318, 7035530, 10553295, 21106590]

約数ペア:

[(1, 21106590), (2, 10553295), (3, 7035530), (5, 4221318), (6, 3517765), (10, 2110659), (15, 1407106), (30, 703553), (251, 84090), (502, 42045), (753, 28030), (1255, 16818), (1506, 14015), (2510, 8409), (2803, 7530), (3765, 5606)]