21672810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{937}}^1$

素因数の和:1207

約数の個数: 48

約数和(自身を含む): 56628936

約数和(自身を除く): 34956126

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 257, 514, 771, 937, 1285, 1542, 1874, 2313, 2570, 2811, 3855, 4626, 4685, 5622, 7710, 8433, 9370, 11565, 14055, 16866, 23130, 28110, 42165, 84330, 240809, 481618, 722427, 1204045, 1444854, 2167281, 2408090, 3612135, 4334562, 7224270, 10836405, 21672810]

約数ペア:

[(1, 21672810), (2, 10836405), (3, 7224270), (5, 4334562), (6, 3612135), (9, 2408090), (10, 2167281), (15, 1444854), (18, 1204045), (30, 722427), (45, 481618), (90, 240809), (257, 84330), (514, 42165), (771, 28110), (937, 23130), (1285, 16866), (1542, 14055), (1874, 11565), (2313, 9370), (2570, 8433), (2811, 7710), (3855, 5622), (4626, 4685)]