21276256

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 43953840

約数和(自身を除く): 22677584

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 101, 116, 202, 227, 232, 404, 454, 464, 808, 908, 928, 1616, 1816, 2929, 3232, 3632, 5858, 6583, 7264, 11716, 13166, 22927, 23432, 26332, 45854, 46864, 52664, 91708, 93728, 105328, 183416, 210656, 366832, 664883, 733664, 1329766, 2659532, 5319064, 10638128, 21276256]

約数ペア:

[(1, 21276256), (2, 10638128), (4, 5319064), (8, 2659532), (16, 1329766), (29, 733664), (32, 664883), (58, 366832), (101, 210656), (116, 183416), (202, 105328), (227, 93728), (232, 91708), (404, 52664), (454, 46864), (464, 45854), (808, 26332), (908, 23432), (928, 22927), (1616, 13166), (1816, 11716), (2929, 7264), (3232, 6583), (3632, 5858)]