21449826

素因数分解:

$2^1\times 3^3\times {\mathrm{491}}^1\times {\mathrm{809}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 47822400

約数和(自身を除く): 26372574

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 491, 809, 982, 1473, 1618, 2427, 2946, 4419, 4854, 7281, 8838, 13257, 14562, 21843, 26514, 43686, 397219, 794438, 1191657, 2383314, 3574971, 7149942, 10724913, 21449826]

約数ペア:

[(1, 21449826), (2, 10724913), (3, 7149942), (6, 3574971), (9, 2383314), (18, 1191657), (27, 794438), (54, 397219), (491, 43686), (809, 26514), (982, 21843), (1473, 14562), (1618, 13257), (2427, 8838), (2946, 7281), (4419, 4854)]