21896665

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15259}}^1$

素因数の和:15312

約数の個数: 16

約数和(自身を含む): 30764160

約数和(自身を除く): 8867495

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 15259, 76295, 106813, 534065, 625619, 3128095, 4379333, 21896665]

約数ペア:

[(1, 21896665), (5, 4379333), (7, 3128095), (35, 625619), (41, 534065), (205, 106813), (287, 76295), (1435, 15259)]