21087972

素因数分解:

$2^2\times 3^3\times {\mathrm{195259}}^1$

素因数の和:195272

約数の個数: 24

約数和(自身を含む): 54672800

約数和(自身を除く): 33584828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 195259, 390518, 585777, 781036, 1171554, 1757331, 2343108, 3514662, 5271993, 7029324, 10543986, 21087972]

約数ペア:

[(1, 21087972), (2, 10543986), (3, 7029324), (4, 5271993), (6, 3514662), (9, 2343108), (12, 1757331), (18, 1171554), (27, 781036), (36, 585777), (54, 390518), (108, 195259)]