21141484

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^2$

素因数の和:506

約数の個数: 36

約数和(自身を含む): 45725232

約数和(自身を除く): 24583748

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 241, 364, 482, 964, 1687, 3133, 3374, 6266, 6748, 12532, 21931, 43862, 58081, 87724, 116162, 232324, 406567, 755053, 813134, 1510106, 1626268, 3020212, 5285371, 10570742, 21141484]

約数ペア:

[(1, 21141484), (2, 10570742), (4, 5285371), (7, 3020212), (13, 1626268), (14, 1510106), (26, 813134), (28, 755053), (52, 406567), (91, 232324), (182, 116162), (241, 87724), (364, 58081), (482, 43862), (964, 21931), (1687, 12532), (3133, 6748), (3374, 6266)]