21239280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9833}}^1$

素因数の和:9855

約数の個数: 80

約数和(自身を含む): 73164960

約数和(自身を除く): 51925680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9833, 19666, 29499, 39332, 49165, 58998, 78664, 88497, 98330, 117996, 147495, 157328, 176994, 196660, 235992, 265491, 294990, 353988, 393320, 442485, 471984, 530982, 589980, 707976, 786640, 884970, 1061964, 1179960, 1327455, 1415952, 1769940, 2123928, 2359920, 2654910, 3539880, 4247856, 5309820, 7079760, 10619640, 21239280]

約数ペア:

[(1, 21239280), (2, 10619640), (3, 7079760), (4, 5309820), (5, 4247856), (6, 3539880), (8, 2654910), (9, 2359920), (10, 2123928), (12, 1769940), (15, 1415952), (16, 1327455), (18, 1179960), (20, 1061964), (24, 884970), (27, 786640), (30, 707976), (36, 589980), (40, 530982), (45, 471984), (48, 442485), (54, 393320), (60, 353988), (72, 294990), (80, 265491), (90, 235992), (108, 196660), (120, 176994), (135, 157328), (144, 147495), (180, 117996), (216, 98330), (240, 88497), (270, 78664), (360, 58998), (432, 49165), (540, 39332), (720, 29499), (1080, 19666), (2160, 9833)]