21694295

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 33576768

約数和(自身を除く): 11882473

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 101, 119, 133, 323, 361, 505, 595, 665, 707, 1615, 1717, 1805, 1919, 2261, 2527, 3535, 6137, 8585, 9595, 11305, 12019, 12635, 13433, 30685, 32623, 36461, 42959, 60095, 67165, 163115, 182305, 214795, 228361, 255227, 619837, 1141805, 1276135, 3099185, 4338859, 21694295]

約数ペア:

[(1, 21694295), (5, 4338859), (7, 3099185), (17, 1276135), (19, 1141805), (35, 619837), (85, 255227), (95, 228361), (101, 214795), (119, 182305), (133, 163115), (323, 67165), (361, 60095), (505, 42959), (595, 36461), (665, 32623), (707, 30685), (1615, 13433), (1717, 12635), (1805, 12019), (1919, 11305), (2261, 9595), (2527, 8585), (3535, 6137)]