21873956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11369}}^1$

素因数の和:11423

約数の個数: 24

約数和(自身を含む): 42341880

約数和(自身を除く): 20467924

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 11369, 22738, 45476, 147797, 295594, 420653, 591188, 841306, 1682612, 5468489, 10936978, 21873956]

約数ペア:

[(1, 21873956), (2, 10936978), (4, 5468489), (13, 1682612), (26, 841306), (37, 591188), (52, 420653), (74, 295594), (148, 147797), (481, 45476), (962, 22738), (1924, 11369)]