21865320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60737}}^1$

素因数の和:60754

約数の個数: 48

約数和(自身を含む): 71063460

約数和(自身を除く): 49198140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60737, 121474, 182211, 242948, 303685, 364422, 485896, 546633, 607370, 728844, 911055, 1093266, 1214740, 1457688, 1822110, 2186532, 2429480, 2733165, 3644220, 4373064, 5466330, 7288440, 10932660, 21865320]

約数ペア:

[(1, 21865320), (2, 10932660), (3, 7288440), (4, 5466330), (5, 4373064), (6, 3644220), (8, 2733165), (9, 2429480), (10, 2186532), (12, 1822110), (15, 1457688), (18, 1214740), (20, 1093266), (24, 911055), (30, 728844), (36, 607370), (40, 546633), (45, 485896), (60, 364422), (72, 303685), (90, 242948), (120, 182211), (180, 121474), (360, 60737)]