21634795

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2797}}^1$

素因数の和:2839

約数の個数: 32

約数和(自身を含む): 33844608

約数和(自身を除く): 12209813

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 2797, 7735, 13985, 19579, 36361, 47549, 97895, 181805, 237745, 254527, 332843, 618137, 1272635, 1664215, 3090685, 4326959, 21634795]

約数ペア:

[(1, 21634795), (5, 4326959), (7, 3090685), (13, 1664215), (17, 1272635), (35, 618137), (65, 332843), (85, 254527), (91, 237745), (119, 181805), (221, 97895), (455, 47549), (595, 36361), (1105, 19579), (1547, 13985), (2797, 7735)]