21884240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{39079}}^1$

素因数の和:39099

約数の個数: 40

約数和(自身を含む): 58151040

約数和(自身を除く): 36266800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 39079, 78158, 156316, 195395, 273553, 312632, 390790, 547106, 625264, 781580, 1094212, 1367765, 1563160, 2188424, 2735530, 3126320, 4376848, 5471060, 10942120, 21884240]

約数ペア:

[(1, 21884240), (2, 10942120), (4, 5471060), (5, 4376848), (7, 3126320), (8, 2735530), (10, 2188424), (14, 1563160), (16, 1367765), (20, 1094212), (28, 781580), (35, 625264), (40, 547106), (56, 390790), (70, 312632), (80, 273553), (112, 195395), (140, 156316), (280, 78158), (560, 39079)]