21709260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{120607}}^1$

素因数の和:120622

約数の個数: 36

約数和(自身を含む): 65851968

約数和(自身を除く): 44142708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 120607, 241214, 361821, 482428, 603035, 723642, 1085463, 1206070, 1447284, 1809105, 2170926, 2412140, 3618210, 4341852, 5427315, 7236420, 10854630, 21709260]

約数ペア:

[(1, 21709260), (2, 10854630), (3, 7236420), (4, 5427315), (5, 4341852), (6, 3618210), (9, 2412140), (10, 2170926), (12, 1809105), (15, 1447284), (18, 1206070), (20, 1085463), (30, 723642), (36, 603035), (45, 482428), (60, 361821), (90, 241214), (180, 120607)]