21068684

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57881}}^1$

素因数の和:57905

約数の個数: 24

約数和(自身を含む): 45379488

約数和(自身を除く): 24310804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57881, 115762, 231524, 405167, 752453, 810334, 1504906, 1620668, 3009812, 5267171, 10534342, 21068684]

約数ペア:

[(1, 21068684), (2, 10534342), (4, 5267171), (7, 3009812), (13, 1620668), (14, 1504906), (26, 810334), (28, 752453), (52, 405167), (91, 231524), (182, 115762), (364, 57881)]