221325214

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{21269}}^1$

素因数の和:21336

約数の個数: 24

約数和(自身を含む): 373416120

約数和(自身を除く): 152090906

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 5203, 10406, 21269, 42538, 233959, 467918, 914567, 1829134, 2573549, 5147098, 10060237, 20120474, 110662607, 221325214]

約数ペア:

[(1, 221325214), (2, 110662607), (11, 20120474), (22, 10060237), (43, 5147098), (86, 2573549), (121, 1829134), (242, 914567), (473, 467918), (946, 233959), (5203, 42538), (10406, 21269)]