21127218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12269}}^1$

素因数の和:12322

約数の個数: 32

約数和(自身を含む): 49472640

約数和(自身を除く): 28345422

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 12269, 24538, 36807, 73614, 85883, 171766, 257649, 503029, 515298, 1006058, 1509087, 3018174, 3521203, 7042406, 10563609, 21127218]

約数ペア:

[(1, 21127218), (2, 10563609), (3, 7042406), (6, 3521203), (7, 3018174), (14, 1509087), (21, 1006058), (41, 515298), (42, 503029), (82, 257649), (123, 171766), (246, 85883), (287, 73614), (574, 36807), (861, 24538), (1722, 12269)]