21546824

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15937}}^1$

素因数の和:15969

約数の個数: 24

約数和(自身を含む): 43749810

約数和(自身を除く): 22202986

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15937, 31874, 63748, 127496, 207181, 414362, 828724, 1657448, 2693353, 5386706, 10773412, 21546824]

約数ペア:

[(1, 21546824), (2, 10773412), (4, 5386706), (8, 2693353), (13, 1657448), (26, 828724), (52, 414362), (104, 207181), (169, 127496), (338, 63748), (676, 31874), (1352, 15937)]