17721130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{253159}}^1$

素因数の和:253173

約数の個数: 16

約数和(自身を含む): 36455040

約数和(自身を除く): 18733910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 253159, 506318, 1265795, 1772113, 2531590, 3544226, 8860565, 17721130]

約数ペア:

[(1, 17721130), (2, 8860565), (5, 3544226), (7, 2531590), (10, 1772113), (14, 1265795), (35, 506318), (70, 253159)]