21743414

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{521}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 40891392

約数和(自身を除く): 19147978

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 271, 521, 542, 1042, 1897, 2981, 3647, 3794, 5731, 5962, 7294, 11462, 20867, 40117, 41734, 80234, 141191, 282382, 988337, 1553101, 1976674, 3106202, 10871707, 21743414]

約数ペア:

[(1, 21743414), (2, 10871707), (7, 3106202), (11, 1976674), (14, 1553101), (22, 988337), (77, 282382), (154, 141191), (271, 80234), (521, 41734), (542, 40117), (1042, 20867), (1897, 11462), (2981, 7294), (3647, 5962), (3794, 5731)]