21181152

素因数分解:

$2^5\times 3^1\times {\mathrm{61}}^1\times {\mathrm{3617}}^1$

素因数の和:3691

約数の個数: 48

約数和(自身を含む): 56527632

約数和(自身を除く): 35346480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 96, 122, 183, 244, 366, 488, 732, 976, 1464, 1952, 2928, 3617, 5856, 7234, 10851, 14468, 21702, 28936, 43404, 57872, 86808, 115744, 173616, 220637, 347232, 441274, 661911, 882548, 1323822, 1765096, 2647644, 3530192, 5295288, 7060384, 10590576, 21181152]

約数ペア:

[(1, 21181152), (2, 10590576), (3, 7060384), (4, 5295288), (6, 3530192), (8, 2647644), (12, 1765096), (16, 1323822), (24, 882548), (32, 661911), (48, 441274), (61, 347232), (96, 220637), (122, 173616), (183, 115744), (244, 86808), (366, 57872), (488, 43404), (732, 28936), (976, 21702), (1464, 14468), (1952, 10851), (2928, 7234), (3617, 5856)]