21366008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157103}}^1$

素因数の和:157126

約数の個数: 16

約数和(自身を含む): 42418080

約数和(自身を除く): 21052072

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157103, 314206, 628412, 1256824, 2670751, 5341502, 10683004, 21366008]

約数ペア:

[(1, 21366008), (2, 10683004), (4, 5341502), (8, 2670751), (17, 1256824), (34, 628412), (68, 314206), (136, 157103)]