21190164

素因数分解:

$2^2\times 3^1\times {\mathrm{257}}^1\times {\mathrm{6871}}^1$

素因数の和:7135

約数の個数: 24

約数和(自身を含む): 49643328

約数和(自身を除く): 28453164

約数列:

[1, 2, 3, 4, 6, 12, 257, 514, 771, 1028, 1542, 3084, 6871, 13742, 20613, 27484, 41226, 82452, 1765847, 3531694, 5297541, 7063388, 10595082, 21190164]

約数ペア:

[(1, 21190164), (2, 10595082), (3, 7063388), (4, 5297541), (6, 3531694), (12, 1765847), (257, 82452), (514, 41226), (771, 27484), (1028, 20613), (1542, 13742), (3084, 6871)]