21301478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{16411}}^1$

素因数の和:16483

約数の個数: 16

約数和(自身を含む): 35449920

約数和(自身を除く): 14148442

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 16411, 32822, 180521, 361042, 968249, 1936498, 10650739, 21301478]

約数ペア:

[(1, 21301478), (2, 10650739), (11, 1936498), (22, 968249), (59, 361042), (118, 180521), (649, 32822), (1298, 16411)]