21078674

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15121}}^1$

素因数の和:15181

約数の個数: 16

約数和(自身を含む): 34296696

約数和(自身を除く): 13218022

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 15121, 30242, 257057, 514114, 619961, 1239922, 10539337, 21078674]

約数ペア:

[(1, 21078674), (2, 10539337), (17, 1239922), (34, 619961), (41, 514114), (82, 257057), (697, 30242), (1394, 15121)]