21792568

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3853}}^1$

素因数の和:3967

約数の個数: 32

約数和(自身を含む): 47172960

約数和(自身を除く): 25380392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1414, 2828, 3853, 5656, 7706, 15412, 26971, 30824, 53942, 107884, 215768, 389153, 778306, 1556612, 2724071, 3113224, 5448142, 10896284, 21792568]

約数ペア:

[(1, 21792568), (2, 10896284), (4, 5448142), (7, 3113224), (8, 2724071), (14, 1556612), (28, 778306), (56, 389153), (101, 215768), (202, 107884), (404, 53942), (707, 30824), (808, 26971), (1414, 15412), (2828, 7706), (3853, 5656)]