21450408

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127681}}^1$

素因数の和:127697

約数の個数: 32

約数和(自身を含む): 61287360

約数和(自身を除く): 39836952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 127681, 255362, 383043, 510724, 766086, 893767, 1021448, 1532172, 1787534, 2681301, 3064344, 3575068, 5362602, 7150136, 10725204, 21450408]

約数ペア:

[(1, 21450408), (2, 10725204), (3, 7150136), (4, 5362602), (6, 3575068), (7, 3064344), (8, 2681301), (12, 1787534), (14, 1532172), (21, 1021448), (24, 893767), (28, 766086), (42, 510724), (56, 383043), (84, 255362), (168, 127681)]