21093801

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 28656000

約数和(自身を除く): 7562199

約数列:

[1, 3, 89, 199, 267, 397, 597, 1191, 17711, 35333, 53133, 79003, 105999, 237009, 7031267, 21093801]

約数ペア:

[(1, 21093801), (3, 7031267), (89, 237009), (199, 105999), (267, 79003), (397, 53133), (597, 35333), (1191, 17711)]