21076453611

素因数分解:

$3^7\times {\mathrm{569}}^1\times {\mathrm{16937}}^1$

素因数の和:17527

約数の個数: 32

約数和(自身を含む): 31667284800

約数和(自身を除く): 10590831189

約数列:

[1, 3, 9, 27, 81, 243, 569, 729, 1707, 2187, 5121, 15363, 16937, 46089, 50811, 138267, 152433, 414801, 457299, 1244403, 1371897, 4115691, 9637153, 12347073, 28911459, 37041219, 86734377, 260203131, 780609393, 2341828179, 7025484537, 21076453611]

約数ペア:

[(1, 21076453611), (3, 7025484537), (9, 2341828179), (27, 780609393), (81, 260203131), (243, 86734377), (569, 37041219), (729, 28911459), (1707, 12347073), (2187, 9637153), (5121, 4115691), (15363, 1371897), (16937, 1244403), (46089, 457299), (50811, 414801), (138267, 152433)]