21930195

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29837}}^1$

素因数の和:29859

約数の個数: 24

約数和(自身を含む): 40818384

約数和(自身を除く): 18888189

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 29837, 89511, 149185, 208859, 447555, 626577, 1044295, 1462013, 3132885, 4386039, 7310065, 21930195]

約数ペア:

[(1, 21930195), (3, 7310065), (5, 4386039), (7, 3132885), (15, 1462013), (21, 1044295), (35, 626577), (49, 447555), (105, 208859), (147, 149185), (245, 89511), (735, 29837)]