21070144

素因数分解:

$2^6\times {\mathrm{401}}^1\times {\mathrm{821}}^1$

素因数の和:1234

約数の個数: 28

約数和(自身を含む): 41966388

約数和(自身を除く): 20896244

約数列:

[1, 2, 4, 8, 16, 32, 64, 401, 802, 821, 1604, 1642, 3208, 3284, 6416, 6568, 12832, 13136, 25664, 26272, 52544, 329221, 658442, 1316884, 2633768, 5267536, 10535072, 21070144]

約数ペア:

[(1, 21070144), (2, 10535072), (4, 5267536), (8, 2633768), (16, 1316884), (32, 658442), (64, 329221), (401, 52544), (802, 26272), (821, 25664), (1604, 13136), (1642, 12832), (3208, 6568), (3284, 6416)]