21951314

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2909}}^1$

素因数の和:2943

約数の個数: 32

約数和(自身を含む): 41904000

約数和(自身を除く): 19952686

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 343, 539, 686, 1078, 2909, 3773, 5818, 7546, 20363, 31999, 40726, 63998, 142541, 223993, 285082, 447986, 997787, 1567951, 1995574, 3135902, 10975657, 21951314]

約数ペア:

[(1, 21951314), (2, 10975657), (7, 3135902), (11, 1995574), (14, 1567951), (22, 997787), (49, 447986), (77, 285082), (98, 223993), (154, 142541), (343, 63998), (539, 40726), (686, 31999), (1078, 20363), (2909, 7546), (3773, 5818)]