21119508

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{11503}}^1$

素因数の和:11533

約数の個数: 48

約数和(自身を含む): 57980160

約数和(自身を除く): 36860652

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 11503, 23006, 34509, 46012, 69018, 103527, 138036, 195551, 207054, 310581, 391102, 414108, 586653, 621162, 782204, 1173306, 1242324, 1759959, 2346612, 3519918, 5279877, 7039836, 10559754, 21119508]

約数ペア:

[(1, 21119508), (2, 10559754), (3, 7039836), (4, 5279877), (6, 3519918), (9, 2346612), (12, 1759959), (17, 1242324), (18, 1173306), (27, 782204), (34, 621162), (36, 586653), (51, 414108), (54, 391102), (68, 310581), (102, 207054), (108, 195551), (153, 138036), (204, 103527), (306, 69018), (459, 46012), (612, 34509), (918, 23006), (1836, 11503)]