21143012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3457}}^1$

素因数の和:3611

約数の個数: 24

約数和(自身を含む): 40666080

約数和(自身を除く): 19523068

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 3457, 6116, 6914, 13828, 38027, 76054, 152108, 480523, 961046, 1922092, 5285753, 10571506, 21143012]

約数ペア:

[(1, 21143012), (2, 10571506), (4, 5285753), (11, 1922092), (22, 961046), (44, 480523), (139, 152108), (278, 76054), (556, 38027), (1529, 13828), (3058, 6914), (3457, 6116)]