21000983932

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{308837999}}^1$

素因数の和:308838020

約数の個数: 12

約数和(自身を含む): 38913588000

約数和(自身を除く): 17912604068

約数列:

[1, 2, 4, 17, 34, 68, 308837999, 617675998, 1235351996, 5250245983, 10500491966, 21000983932]

約数ペア:

[(1, 21000983932), (2, 10500491966), (4, 5250245983), (17, 1235351996), (34, 617675998), (68, 308837999)]