21855512

素因数分解:

$2^3\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1019}}^1$

素因数の和:1415

約数の個数: 32

約数和(自身を含む): 47001600

約数和(自身を除く): 25146088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 383, 766, 1019, 1532, 2038, 2681, 3064, 4076, 5362, 7133, 8152, 10724, 14266, 21448, 28532, 57064, 390277, 780554, 1561108, 2731939, 3122216, 5463878, 10927756, 21855512]

約数ペア:

[(1, 21855512), (2, 10927756), (4, 5463878), (7, 3122216), (8, 2731939), (14, 1561108), (28, 780554), (56, 390277), (383, 57064), (766, 28532), (1019, 21448), (1532, 14266), (2038, 10724), (2681, 8152), (3064, 7133), (4076, 5362)]