21416848

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:595

約数の個数: 40

約数和(自身を含む): 43445880

約数和(自身を除く): 22029032

約数列:

[1, 2, 4, 8, 16, 29, 58, 101, 116, 202, 232, 404, 457, 464, 808, 914, 1616, 1828, 2929, 3656, 5858, 7312, 11716, 13253, 23432, 26506, 46157, 46864, 53012, 92314, 106024, 184628, 212048, 369256, 738512, 1338553, 2677106, 5354212, 10708424, 21416848]

約数ペア:

[(1, 21416848), (2, 10708424), (4, 5354212), (8, 2677106), (16, 1338553), (29, 738512), (58, 369256), (101, 212048), (116, 184628), (202, 106024), (232, 92314), (404, 53012), (457, 46864), (464, 46157), (808, 26506), (914, 23432), (1616, 13253), (1828, 11716), (2929, 7312), (3656, 5858)]