21713440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19387}}^1$

素因数の和:19409

約数の個数: 48

約数和(自身を含む): 58629312

約数和(自身を除く): 36915872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19387, 38774, 77548, 96935, 135709, 155096, 193870, 271418, 310192, 387740, 542836, 620384, 678545, 775480, 1085672, 1357090, 1550960, 2171344, 2714180, 3101920, 4342688, 5428360, 10856720, 21713440]

約数ペア:

[(1, 21713440), (2, 10856720), (4, 5428360), (5, 4342688), (7, 3101920), (8, 2714180), (10, 2171344), (14, 1550960), (16, 1357090), (20, 1085672), (28, 775480), (32, 678545), (35, 620384), (40, 542836), (56, 387740), (70, 310192), (80, 271418), (112, 193870), (140, 155096), (160, 135709), (224, 96935), (280, 77548), (560, 38774), (1120, 19387)]