21998935

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{36973}}^1$

素因数の和:37002

約数の個数: 16

約数和(自身を含む): 31945536

約数和(自身を除く): 9946601

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 36973, 184865, 258811, 628541, 1294055, 3142705, 4399787, 21998935]

約数ペア:

[(1, 21998935), (5, 4399787), (7, 3142705), (17, 1294055), (35, 628541), (85, 258811), (119, 184865), (595, 36973)]