21418749

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{2671}}^1$

素因数の和:2700

約数の個数: 28

約数和(自身を含む): 35045952

約数和(自身を除く): 13627203

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 729, 891, 2671, 2673, 8013, 8019, 24039, 29381, 72117, 88143, 216351, 264429, 649053, 793287, 1947159, 2379861, 7139583, 21418749]

約数ペア:

[(1, 21418749), (3, 7139583), (9, 2379861), (11, 1947159), (27, 793287), (33, 649053), (81, 264429), (99, 216351), (243, 88143), (297, 72117), (729, 29381), (891, 24039), (2671, 8019), (2673, 8013)]