21271842

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{9161}}^1$

素因数の和:9215

約数の個数: 32

約数和(自身を含む): 48375360

約数和(自身を除く): 27103518

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 9161, 18322, 27483, 54966, 82449, 164898, 247347, 393923, 494694, 787846, 1181769, 2363538, 3545307, 7090614, 10635921, 21271842]

約数ペア:

[(1, 21271842), (2, 10635921), (3, 7090614), (6, 3545307), (9, 2363538), (18, 1181769), (27, 787846), (43, 494694), (54, 393923), (86, 247347), (129, 164898), (258, 82449), (387, 54966), (774, 27483), (1161, 18322), (2322, 9161)]