21097902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4877}}^1$

素因数の和:4992

約数の個数: 32

約数和(自身を含む): 48701952

約数和(自身を除く): 27604050

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 618, 721, 1442, 2163, 4326, 4877, 9754, 14631, 29262, 34139, 68278, 102417, 204834, 502331, 1004662, 1506993, 3013986, 3516317, 7032634, 10548951, 21097902]

約数ペア:

[(1, 21097902), (2, 10548951), (3, 7032634), (6, 3516317), (7, 3013986), (14, 1506993), (21, 1004662), (42, 502331), (103, 204834), (206, 102417), (309, 68278), (618, 34139), (721, 29262), (1442, 14631), (2163, 9754), (4326, 4877)]