21806954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 15932566

約数列:

[1, 2, 13, 17, 26, 34, 103, 206, 221, 442, 479, 958, 1339, 1751, 2678, 3502, 6227, 8143, 12454, 16286, 22763, 45526, 49337, 98674, 105859, 211718, 641381, 838729, 1282762, 1677458, 10903477, 21806954]

約数ペア:

[(1, 21806954), (2, 10903477), (13, 1677458), (17, 1282762), (26, 838729), (34, 641381), (103, 211718), (206, 105859), (221, 98674), (442, 49337), (479, 45526), (958, 22763), (1339, 16286), (1751, 12454), (2678, 8143), (3502, 6227)]