21769707

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 32666112

約数和(自身を除く): 10896405

約数列:

[1, 3, 17, 23, 51, 67, 69, 201, 277, 391, 831, 1139, 1173, 1541, 3417, 4623, 4709, 6371, 14127, 18559, 19113, 26197, 55677, 78591, 108307, 315503, 324921, 426857, 946509, 1280571, 7256569, 21769707]

約数ペア:

[(1, 21769707), (3, 7256569), (17, 1280571), (23, 946509), (51, 426857), (67, 324921), (69, 315503), (201, 108307), (277, 78591), (391, 55677), (831, 26197), (1139, 19113), (1173, 18559), (1541, 14127), (3417, 6371), (4623, 4709)]