21552160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2749}}^1$

素因数の和:2778

約数の個数: 72

約数和(自身を含む): 59251500

約数和(自身を除く): 37699340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2749, 3920, 5498, 7840, 10996, 13745, 19243, 21992, 27490, 38486, 43984, 54980, 76972, 87968, 96215, 109960, 134701, 153944, 192430, 219920, 269402, 307888, 384860, 439840, 538804, 615776, 673505, 769720, 1077608, 1347010, 1539440, 2155216, 2694020, 3078880, 4310432, 5388040, 10776080, 21552160]

約数ペア:

[(1, 21552160), (2, 10776080), (4, 5388040), (5, 4310432), (7, 3078880), (8, 2694020), (10, 2155216), (14, 1539440), (16, 1347010), (20, 1077608), (28, 769720), (32, 673505), (35, 615776), (40, 538804), (49, 439840), (56, 384860), (70, 307888), (80, 269402), (98, 219920), (112, 192430), (140, 153944), (160, 134701), (196, 109960), (224, 96215), (245, 87968), (280, 76972), (392, 54980), (490, 43984), (560, 38486), (784, 27490), (980, 21992), (1120, 19243), (1568, 13745), (1960, 10996), (2749, 7840), (3920, 5498)]